Heart Disease Sitemap - Page 1 2016-09-26
Broken Heart Syndrome - Stress Cardiomyopathy
Read about broken heart syndrome, or stress cardiomyopathy - a condition seen mainly in women, after severe emotional trauma.
Preventing Aortic Aneurysms
Reduce your risk for an aortic aneurysm by making healthy lifestyle choices, and taking medication, such as statins or angiotensin receptor blockers.
Learn about lipoproteins, complex particles that carry lipids through the bloodstream to the right tissues, at the right time.
Caffeine sensitivity is determined by a number of factors, including age, sex, and - especially - our genetic makeup.
How Cocaine Affects the Cardiovascular System
Cocaine has several negative and life-threatening effects on the cardiovascular system, and makes heart disease a challenge to treat.
What Are the Best Treatments for Atrial Fibrillation?
Find out about the two basic approaches to the treatment of atrial fibrillation and what to consider when choosing the right treatment.
Muscle Side Effects of Statin Drugs
While the statins are generally quite well-tolerated, the most common side effects are related to the skeletal muscles.
Syncope and the Misdiagnosis of Epilepsy
Patients with vasovagal syncope (simple fainting spells) or long QT syndrome often receive the mistaken diagnosis of seizure disorder, or epilepsy.
The Basics on Trans Fatty Acids - The problem with trans fats
Trans fatty acids are manufactured by food processors as substitutes for saturated fats. But it turns out that trans fats are worse.
5 Precautions People with Heart Disease Should Take in Cold Weather
From the stress of shoveling snow to risk of contracting the flu or hypothermia, cold weather can be dangerous for people with heart disease.
High CRP and Fibrinogen Linked to Coronary Artery Disease
Knowing CRP and fibrinogen levels may help cardiologists more accurately assess the risk for coronary artery disease. These levels are tested using blood.
How Heroin Damages the Heart and Causes Heart DIsease
Heroin is a highly addictive drug that can cause liver, brain and heart damage. Heroin can kill by slowing breathing and dropping blood pressure.
Primacor (Milrinone) Used For People With Heart Failure
Primacor (milrinone) is a type of inotrope, or medication that helps the heart contract; it is used for the treatment of acute heart failure.
Which Chocolate Products Are Heart Healthy?
While some chocolate products may promote cardiovascular health, the processing used to make commercial products reduces beneficial flavonoid content.
Is a Calorie Just A Calorie?
While one calorie has the same energy value as any other calorie, and thus the same effect on weight loss or gain, the kind of food we eat matters.
The New Blood Thinners
The NOAC drugs are a new class of anticoagulant drugs that can often be used as a substitute for Coumadin to prevent blood clots
The Importance of the Vagus Nerve
The vagus nerve controls many critical functions of the human body, and for this reason medical science is seeking ways to modulate its actions.
Restenosis After Angioplasty and Stenting
Restenosis remains a challenge after angioplasty and stenting
The MUGA scan for diagnosing heart disease
MUGA scan is a noninvasive test useful for assessing the function of the left and right ventricles.
A Look at Cardiac Catheterization and Angiography
What you need to know about heart catheterization and angiography. Did you know that catheterization is both diagnostic and therapeutic?
LDL Cholesterol - The Lower the Better?
The debate continues as to whether doctors ought to push their patients' LDL cholesterol levels as low as possible - or just use statins.
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Metabolic Syndrome - What You Need to Know
Metabolic syndrome, or pre-diabetes, is a grouping of common disorders that produce a high risk of cardiac disease, all related to insulin resistance.
How Much Exercise Is Necessary to Keep Your Heart Healthy?
The Institute of Medicine says that in order to maintain optimal cardiovascular health, at least an hour a day of exercise is needed. Really?
Blood Clots and How to Prevent Abnormal Blood Clotting
How the blood clots, and how to prevent abnormal clotting
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Why the Anatomy of the Coronary Arteries Matters
The coronary arteries are the arteries that supply oxygen and nutrients to the heart muscle. The anatomy of the coronary arteries is described.
Tilt Table Testing -- How It Works
Tilt table testing is a test that can be used to assess a person's propensity to develop vasovagal syncope.
What to Do if Your CRP Level is Elevated
When your CRP level is found to be elevated, here's what you need to know, and what you need to do to lower your cardiac risk.
Calcium Channel Blockers for Treating Angina
Calcium channel blockers dilate blood vessels, reduce the force of heart muscle contraction, and slow the heart rate, thus reducing the risk of angina in patients with coronary artery disease.
Coronary Artery Anomalies - Exercise Recommendations
Coronary artery anomaly - a congenital abnormality of one or more coronary arteries - is associated with sudden death during athletic activity.
Treatment Guidelines for an Acute Heart Attack
The first few hours after a heart attack are critical in determining whether you survive without any serious long-term disability.
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Secondhand Smoke Is Bad News
Exposure to secondhand smoke significantly increases the risk of lung cancer, heart disease and stroke, especially in spouses and children of smokers.
Is EECP Really Quackery As the WSJ Implies?
The Wall Street Journal implies that EECP is quackery because cardiologists don't use it. But have they considered WHY cardiologists don't like it?
Bare Metal Stents vs. Drug Eluting Stents
Bare metal stents may be used instead of drug eluting stents for patients in whom long term anti-platelet therapy is likely to pose a problem.
Statins And Your Calcium Scores
Statin treatment reduces the risk of a heart attack, but at the same time can increase your calcium score. Here's why.
Entresto For Heart Failure - A Cautionary Note
Entresto, a new drug for heart failure, employs neprilysin inhibition for the first time in treating this disease. Might there be unexpected problems?
Patent Foramen Ovale - PFO
Patent foramen ovale - PFO - is a potential opening in the atrial septum. A PFO can possibly allow blood, and clots, to enter the right atrium.
Treating Heart Failure Due to Dilated Cardiomyopathy
Treating heart failure due to dilated cardiomyopathy requires the aggressive use of beta blockers, ACE inhibitors, and often diuretics.
Prophylaxis for Bacterial Endocarditis
Antibiotic prophylaxis should be used in certain patients, during certain medical procedures, to protect against bacterial endocarditis.
Infectious endocarditis, an infection of the inside lining of the heart, can cause heart valve problems and heart failure.
Mitral stenosis is the condition in which the heart's mitral valve becomes thickened and immobile, and subsequently does not open completely.
Cholesterol and Triglycerides - What You Need To Know
Cholesterol and triglycerides are both necessary for life itself. But when the blood levels are too high, your cardiac risk is significantly increased.
Left Ventricular Assist Device - LVAD
A left ventricular assist device (LVAD) is a surgically implanted, battery driven pump that helps a failing heart to circulate blood.
Do You Need To Be Treated For Cholesterol
Whether you need treatment for cholesterol should be based on far more than
When Does Stress Cause Heart Disease?
Emotional stress, of certain types and in certain people, may participate in the development of chronic heart disease, and can even trigger acute cardiac crises.
Heart Failure and Insomnia
People with heart failure often suffer from insomnia. Here are the reasons for insomnia with heart failure, and what you can do about it.
A New Breakthough In Heart Failure?
A new drug substantially improves the outcome of heart failure patients, opening a new avenue of treatment - but also raising new questions.
Exercises for Marfan Syndrome
Exercise can pose a particular risk to people with Marfan syndrome. Here are recommendations for exercise with this condition.
Causes of Pulmonary Hypertension
If you have pulmonary hypertension, an important first step in deciding on therapy is to determine the underlying cause of your condition.
What Is Orthopnea, And Why Is It Important?
Orthopnea is dyspnea (shortness of breath) that occurs while lying down. It is a common symptom of heart failure.
Postpartum Cardiomyopathy - The Basics
Postpartum cardiomyopathy is a form of dilated cardiomyopathy and heart failure associated with pregnancy.
Supraventricular Tachycardia (SVT) in Heart Disease
Supraventricular tachycardia, or SVT, is a family of cardiac arrhythmias that causes an inappropriately rapid heart rate.
Compression ultrasound is a noninvasive test for diagnosing deep venous thrombosis (DVT).
In pulmonary infarction, a portion of lung tissue dies due to an interruption in blood flow.
Subclavian Steal Syndrome of the Heart
Learn about subclavian steal syndrome, a form of peripheral artery disease that causes arm discomfort and neurological symptoms.
How to Increase Your HDL Cholesterol Levels
HDL cholesterol, or
What Causes Fainting After Exercise?
Fainting after exercise can be a sign of a heart problem. Learn about potentially serious causes of fainting after a work-out.
What is Cardiac Sarcoidosis?
Learn about cardiac sarcoidosis, a little-known disease that can severely affect heart function, although it can form in virtually any organ of the body.
What Happens in a Cardiac Care Unit?
Learn about what it's like in a hospital's cardiac care unit (CCU), which offers highly specialized care.
The "Bubble Study" For Patent Foramen Ovale
Learn about bubble studies, used to detect cardiac abnormalities such as patent foramen ovale (PFO), atrial septal defects, or ventricular septal defects.
What Is Cardiac Remodeling?
Learn about cardiac remodeling, the change in the heart's size and shape caused by cardiac injury.
Restrictive cardiomyopathy is an uncommon form of heart failure, caused by a stiffness in cardiac muscle that limits the heart filling with blood.
What You Need To Know About Coronary Artery Disease
These articles tell you what you need to know about coronary artery disease -- what it is, how it is diagnosed, and how it is treated.
A Brief Overview of Coronary Artery Disease
Learn about the processes that lead to coronary artery disease, along with the condition's effects, risks and management.
Chest Pain: Common Potential Causes
Chest pain is always an important symptom which has many potential causes. Here are the most common causes of chest pain.
Left Bundle Branch Block (LBBB) - What You Should Know
Left Bundle Branch Block (LBBB) is an abnormal finding on the electrocardiogram that often indicates underlying heart disease.
Is Atrial Fibrillation a Lifestyle Disease?
In many cases, atrial fibrillation is caused by being overweight and sedentary, and can be treated with lifestyle changes.
AHA Guidelines: How Much Sugar Is Safe for Kids?
The American Heart Association strongly urges greatly limiting added sugar in your kid's diet, to prevent premature cardiovascular disease.
Symptoms of Heart Failure and Their Causes
Learn about the symptoms of heart failure, which are usually due to pulmonary congestion, poor cardiac pumping function or cardiac arrhythmias.
What Type of Cardiac Complications Can Occur After a Stroke?
Cardiac complications -- heart attack, congestive heart failure, abnormal heart rhythms, and cardiac arrest -- can occur after a stroke.
Diagnosing Coronary Artery Disease
Learn about how tests are used to diagnose coronary artery disease, and how doctors identify plaques that are not causing significant blockages.
How Common are Heart Attacks in Young People?
Heart attacks in the young are rare. If heart disease runs in the family, children should be aware of prevention methods, such as eating healthy.
ST Segment Elevation Myocardial Infarction (STEMI)
A Segment Elevation Myocardial Infarction (STEMI) occurs when a coronary artery is totally occluded by a blood clot. Learn the symptoms and treatment.
Treatments for Pulmonary Hypertension
There are many possible treatments for pulmonary hypertension, from treating the underlying cause to advanced therapies with special drugs.
Embolus - What Is an Embolus?
An embolus is a particle or mass that travels through the bloodstream, that can lodge in a blood vessel, producing blockage and causing organ damage
CSX - Angina With Normal Coronary Arteries
Cardiac Syndrome X, or microvascular angina, is a condition that produces angina with normal coronary arteries on cardiac catheterization.
What Is a Bundle Branch Block?
Bundle branch block (BBB) is a common finding on the ECG whose medical significance varies from person to person. Here's what you should know.
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Causes of Numbness and Tingling
Numbness and tingling are common symptoms usually caused by transient pressure on a nerve; but sometimes they indicate a more serious problem.
Aortic Regurgitation - A Leaky Valve
Aortic regurgitation, or a leaky aortic valve, can lead to heart failure unless it is treated appropriately. Read about how it is diagnosed and treated.
When your heartbeat feels unusually strong, rapid, or skips, it's known as palpitations. Read how palpitations should be evaluated.
Causes of Chest Pain - Peptic Ulcer Disease
Peptic ulcer disease usually causes gnawing abdominal pain, but it can also cause chest pain and is occasionally mistaken for cardiac pain.
WHO Classification of Pulmonary Hypertension
Here is a description of the World Health Organization's system of classification of pulmonary hypertension.
When Can I Resume Sexual Activity After a Heart Attack?
Sexual activity can usually be resumed quite safely within a few weeks of a heart attack, but the timing needs to be individualized
How To Prevent Heart Disease Caused By Stress
Here are some ways to reduce the stress that can lead to heart disease, from avoiding stressful situations to learning stress management techniques.
What You Should Know About Lupus and Heart Disease
People with lupus (systemic lupus erythematosus, or SLE) may have several types of cardiac problems. Here's what you should know.
What Are Heart Disease Risk Factors in Women?
Women need to be aware that their risk factors for heart disease may not be quite the same as the
Why Take An Aspirin Early For A Heart Attack
Taking an aspirin as soon as you think you may be having a heart attack can help stop the growth of the blood clot that is blocking a coronary artery.
Dilated Cardiomyopathy - Heart Failure Symptoms & Treatment
Learn the causes, symptoms, diagnosis and treatment of dilated cardiomyopathy, which is the most common form of heart failure.
The Causes of Dilated Cardiomyopathy
Dilated cardiomyopathy, a common cause of heart failure, is the end result of many medical conditions that can weaken the heart muscle.
Why Are the Holidays Risky For Your Heart?
The winter holidays are an especially risky time for people with heart disease, or a high risk of heart disease. Here's why, and what you can do.
Three Classes of Medication for Treating Cardiac Arrhythmias
Cardiac arrhythmias can be treated with antiarrhythmic drugs, AV nodal blocking drugs, beta blockers, statins, and omega-3 fatty acids.
Premature Ventricular Complexes (PVCs)
All about the real significance of premature ventricular complexes (also known as PVCs), and how they should be evaluated and treated.
Overview of Pericardial Effusion
A pericardial effusion is an abnormal accumulation of fluid in the pericardial sac, often associated with an underlying medical problem.
Assessing Your Risk of Heart Disease
The factors that determine our risk of developing heart disease are, to a large extent, under our control. You have the tools to assess your own risk.
Cryptogenic Stroke: Stroke of Unknown Cause
Cryptogenic strokes are strokes for which no specific cause can be identified. Here's what is known about cryptogenic stroke.
Women and Statins
Whether statins work in women has been controversial, but best evidence now indicates they are as effective in women as they are in men.
In endothelial dysfunction, the important inner lining of blood vessels fails to function normally, contributing to several cardiovascular disorders.
Home Blood Pressure Monitoring Overview
Home blood pressure monitoring is very promising as a tool for diagnosing and managing hypertension. Learn more.
POTS Controversy - Who's The Real Grinch?
This review examines a study looking at the causes of POTS with a close look at the conclusions arrived at by the authors of the study.
The POTS Controversy, Continued - Dr. Levine Responds
Is POTS caused by laziness? Learn more in this elaboration by Dr. Benjamin Levine on the controversy surrounding this condition.
What Is Congestive Heart Failure
An Overview of Pulmonary Hypertension
Pulmonary hypertension is a condition in which the pressure inside the pulmonary artery is too high. Learn more.
Rheumatic Fever Symptoms and Treatment
Rheumatic fever is a widespread inflammation related to strep throat that can affect various parts of the body including the skin, joints, brain, and heart.
Women and Heart Disease - Overview and Symptoms
Heart disease is the major killer of women, and unfortunately, it is largely misunderstood both by women and their doctors.
An Overview of Diastolic Dysfunction and Heart Failure
Diastolic dysfunction and diastolic heart failure occur when the heart's ventricles become too stiff, leading to impaired filling of the ventricles.
Causes and Treatment of Atherosclerosis
Atherosclerosis is a chronic disease which causes plaques build up in the walls of the arteries. These plaques often cause arterial obstruction.
The Types and Causes of Angina
Angina refers to the symptoms, usually chest pain or chest discomfort, produced when the heart muscle is not getting enough oxygen.
How Ischemia Affects Different Parts of the Body
Ischemia is the lack of sufficient blood supply to an organ, most often caused by atherosclerosis. Learn how ischemia affects different parts of the body.
Long QT Syndrome - Sudden Death in Young People
Long QT Syndrome (LQTS) is an inherited disorder of the heart's electrical system that can cause sudden death. Learn about its symptoms and treatment.
Overview of Peripheral Artery Disease
In peripheral artery disease, PAD, an artery supplying an arm or a leg has become blocked due to atherosclerosis, and may produce the symptom of claudication.
What Are Triglycerides and Where Do They Come From?
High Triglyceride levels are associated with an increased risk of heart disease. Learn more about what they are and how they work in the body.
Diastolic Dysfunction and Heart Failure Symptoms
Diastolic heart failure often causes acute episodes of shortness of breath. Diagnosing diastolic dysfunction and diastolic heart failure often presents a challenge.
What is Mitral Valve Prolapse?
Mitral valve prolapse is a fairly common cardiac diagnosis that can lead to serious problems, but usually does not
Mitral Valve Prolapse Exercise Recommendations
Exercise recommendations for people who have mitral valve prolapse, MVP.
Staging Mitral Regurgitation
The appropriate treatment of mitral regurgitation requires your doctor to first stage the extent of your mitral valve disorder.
Aortic Valvulotomy in Elderly Patients With Aortic Stenosis
Aortic valvulotomy is a balloon-based procedure for treating aortic stenosis.
Causes of Chest Pain - Myocardial Infarction (Heart Attack)
The chest pain associated with a heart attack is not always the same - it is important to recognize what kinds of symptoms may indicate a heart attack
Cardiac Complications of Kawasaki Disease
Kawasaki disease can produce acute and chronic cardiac complications, including tachycardia, heart failure, and coronary artery aneurysm.
Signs, Diagnosis and Treatment for Aortic Stenosis
Caused by obstruction in the aortic valve, ortic stenosis leads to heart failure and other problems. It is usually treated with valve replacement.
Surgery for Mitral Stenosis
There are three surgical options for people with mitral stenosis—percutaneous balloon valvotomy, commissurotomy, and valve replacement.
Treatments for Mitral Stenosis
With mitral stenosis, the key to a good outcome is to optimize the timing and the type of surgical repair. Learn how to make the best decision.
How Diabetes and Heart Disease are Linked
If you have diabetes or metabolic syndrome, there are several reasons your risk of heart disease becomes elevated.
Subclinical Hypothyroidism and the Heart
Subclinical hypothyroidism - normal T4 levels with elevated TSH - may increase the risk of heart disease. Here's what you need to know.
Rheumatic Heart Disease
Acute rheumatic fever can also set off a more chronic process that produces heart valve damage, also known as rheumatic heart disease.
An Overview of the Heart's Chambers and Valves
The heart's chambers and valves assure that blood moves through the heart in the right direction and at the right time.
The Problem With Using Stents
Read more about how a stent is not really a solution for coronary artery disease, but rather is trading one kind of chronic problem for another.
What Is Familial Hypercholesterolemia?
Familial hypercholesterolemia is an inherited disorder of cholesterol that causes premature cardiovascular disease, and requires aggressive treatment.
Atrial Fibrillation and Cryptogenic Stroke
Long term cardiac monitoring helps identify atrial fibrillation as a cause of cryptogenic stroke.
What You Should Know About Tricuspid Regurgitation
Automatic tachycardias are rapid heart arrhythmias caused by an abnormal generation of electrical impulses within the heart.
All About Treating High Blood Pressure and Hypertension
If you have hypertension, you and your doctor need to establish a treatment goal, then take the steps necessary to achieve that goal.
Battery Is Low, Whole Pacemaker Needs Replacing?
When your pacemaker battery is low, the entire pacemaker needs to be replaced, not just the battery. Here's why.
4 Ways to Make the Most of Cardiac Rehab After Bypass Surgery
Cardiac rehab can improve your level of functioning after bypass surgery through counseling, safe exercise, good nutrition, and participation.
Ablation Therapy for Cardiac Arrhythmias
Ablation procedures treat abnormal electrical pathways in the heart. These procedures can sometimes eliminate certain heart arrhythmias.
A Bounty of New Hypertension Guidelines
A look at the 4 sets of hypertension treatment guidelines published in 2013, and the major differences among them.
Anticoagulation To Prevent Stroke In Atrial Fibrillation
Stroke is the most feared complication of atrial fibrillation, so deciding on whether to use anticoagulation drugs is critically important if you have atrial fibrillation.
Treating Mitral Regurgitation
Treating mitral regurgitation requires careful and regular evaluation, appropriate staging, and timing mitral valve repair or replacement surgery.
Treating Atrial Fibrillation With Dronedarone
Dronedarone is an antiarrhythmic drug used to treat atrial fibrillation. Originally touted as a
John Ritter's Cause of Death - Aortic Dissection
John Ritter's cause of death wasn't a heart attack. It was aortic dissection. Learn the causes of aortic dissection and the aftermath of his death.
How Are Cardiac Symptoms Different in Women?
Cardiac symptoms in women are very often not the same as in men — or as in the medical textbooks. Here's what you need to know.
Choosing the Right Blood Pressure Medication
There are many drugs available for treating hypertension. Picking the right drug or drugs depends on taking a reasoned, step-wise approach.
Chocolate and Benefits for Heart Health
Several studies have now documented an association between chocolate consumption and improved cardiovascular health.
Non-prescription Cholesterol Lowering - Policosanol
Policosanol, a mixture of fatty alcohols made from the waxes of sugar cane, proves NOT to have cholesterol lowering properties after all.
Chest Wall (Musculoskeletal) Pain And Its Many Causes
Chest wall - or musculoskeletal chest pain - is a common cause of chest pain, and can be produced by several different medical conditions
Prehypertension means your blood pressure is a bit higher than normal, but not high enough to indicate hypertension - yet.
Cardiac Tamponade - Causes, Symptoms, and Treatments
Cardiac tamponade occurs when a pericardial effusion becomes large enough to compromise the function of the heart.
Cardiac Problems Especially Affecting Women
Several cardiovascular problems and conditions most often seen in women are inappropriately diagnosed as being due to
Amiodarone and the Thyroid
Thyroid problems from amiodarone are common and can be difficult to diagnose and to treat.
Aortic Dissection: Causes, Effects, Symptoms, Treatment
Aortic dissection is a condition in which a tear forms in the wall of the aorta, which allows blood to enter the vessel wall, dissecting the layers of the wall.
Rhythm-Control Approach to Treating Atrial Fibrillation
In atrial fibrillation, restoring and maintaining a normal heart rhythm is both difficult and potentially risky, but is often the better approach to treatment.
Cardiac Enzymes as Markers of Heart Attack
Levels of cardiac enzymes, such as troponin, myoglobin, and creatine kinase, are used as markers or indicators of heart attack and heart damage.
Sinus Nodal Reentrant Tachycardia - SNRT
Sinus nodal reentrant tachycardia (SNRT) is an uncommon form of supraventricular tachycardia that arises from the sinus node.
Thyroid Disease and the Heart
Thyroid disease - either hypothyroidism or hyperthyroidism - can have a profound effect on the cardiovascular system.
Airport Security Full Body Scanners & Pacemakers, ICDs
The full body scanners at airports are probably safe for pacemakers and ICDs - but just try getting someone in authority to say so.
Postural Orthostatic Tachycardia Syndrome - POTS
Postural orthostatic tachycardia syndrome, POTS, is a disorder which causes palpitations, dizziness, and other symptoms while standing upright.
Inappropriate Sinus Tachycardia Causes and Treatment
IST - inappropriate sinus tachycardia - is an inappropriately rapid heart rate. The causes and potential treatments of IST are reviewed.
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Drugs Used To Prevent Or Treat Blood Clots
Several types of drugs are used to prevent blood clots, or to treat blood clots after they have formed. Read more about these types of drugs here.
Drugs That Can Make Heart Failure Worse
Heart failure is a condition where the heart has trouble pumping blood. Certain medications can make heart failure worse. Here we look at examples.
All About Raynaud Phenomenon
In Raynaud phenomenon, the fingers and toes become discolored when exposed to cold, or due to sudden emotional stress.
Amiodarone - Uniquely Effective, but Uniquely Toxic
Amiodarone is the most effective, and the strangest, antiarrhythmic drug ever. Anyone treated with it should understand its idiosyncrasies and risks.
How Does Brachytherapy Work?
Brachytherapy, or coronary artery radiation therapy, was developed for treating restenosis after stenting. It is now rarely used.
How Exercise Affects HDL Cholesterol Levels
Evidence now suggests that exercise can increase HDL levels. But how much, how often, and how intensely should you exercise to achieve this effect?
Living With a Pacemaker - What to Expect
Except for taking a few simple precautions, living with a pacemaker should be very much like living without a pacemaker.
Does the Ornish Diet Really Work?
The Ornish diet - an ultra-low-fat vegetarian diet - has been neither proven nor disproven to prevent or reverse coronary artery disease.
Acute Coronary Syndrome (ACS) - Symptoms and Diagnosis
Acute coronary syndrome - ACS - occurs when a coronary artery plaque ruptures, causing a blood clot to form and damaging or threatening heart muscle.
Preventing Sudden Death After a Heart Attack
Sudden death is an all too common event after surviving a heart attack, but sudden death can be prevented if the right measures are taken.
Prescription Drugs for Cholesterol and Triglycerides
Several types of drugs effectively lower cholesterol levels, but only the statins - and potentially the PCSK9 inhibitors - reliably improve outcomes.
What You Should Know About Pericarditis
Pericarditis is an inflammation of the protective sac enclosing the heart. It usually resolves with treatment, but may cause serious complications.
How to Keep Your Heart Healthy
Here are several lifestyle choices that can substantially reduce your risk of heart disease and keep your heart healthy.
The Cardiac Electrical System and How the Heart Beats
The cardiac electrical system is essential to cardiac function, controlling the heart rate, and coordinating the contraction of cardiac muscle.
The Components of the Cardiac Electrical Signal
The cardiac electrical signal is generated in the sinus node, spreads across the atria, and passes through the AV node to the ventricles.
The Cardiac Electrical Signal Spreads Across the Atria
The cardiac electrical signal originates in the sinus node, and spreads across the atria, causing the atria to contract.
The Cardiac Electrical Signal Reaches the AV Node
The cardiac electrical signal reaches the AV node, the only structure allowing the signal to pass on to the ventricles.
The Cardiac Electrical Signal Passes to the Ventricles
The cardiac electrical signal passes through the AV node, to the His bundle, and to the right and left bundle branches.
The Cardiac Electrical Signal Spreads Across the Ventricles
The cardiac electrical signal spreads across the right and left ventricles, coordinating the contraction of both ventricles.
What Kind of Disorder is Dysautonomia?
The dysautonomias are family of disabling medical disorders that are often misdiagnosed or dismissed, that usually can be treated if recognized.
Do Statins Really Cause Memory Loss?
While some insist that statins produce cognitive disorders, studies have failed to prove an association between statins and memory loss. Learn more.
Dysautonomia Diagnosis And Treatment
Diagnosing and treating dysautonomia depends on finding a physician who understands these conditions, and the need for trial-and-error treatments.
Dietary Cholesterol and Cardiac Risk
Dietary cholesterol only plays a minor role - if any - in increasing your risk of cardiovascular disease.
Deep Venous Thrombosis - DVT
DVT is a condition in which blood clots form in the deep leg veins. Learn more about the symptoms and treatment.
Why December Heart Attacks Are the Most Deadly
Learn why more people die from heart attacks in December and don't ignore your symptoms. You can still have a heart attack even if it's Christmas.
Coronary Artery Disease (CAD) in Women
Coronary artery disease in women is often different than it is in men - and the differences are important. Here's what you need to know about it.
A Checklist of Necessary Steps After A Heart Attack
Long-term health and survival after a heart attack requires several important steps to be taken. Here's a checklist to follow after a heart attack.
Coronary CT Angiography (CCTA) CAD Screening Test
Coronary CT angiography (CCTA) is a promising method for non-invasively diagnosing coronary artery disease
Vasovagal or Cardioneurogenic Syncope
Vasovagal - or cardioneurogenic - syncope is the most common cause of transient loss of consciousness.
Mitral Regurgitation - Causes and Treatment
Mitral regurgitation is a common heart valve disorder that requires careful management, and optimal timing of surgical treatment..
Why Are Some Heart Attacks 'Silent?'
Heart attacks, or myocardial infarctions, can occur without causing apparent symptoms, but they are no less dangerous than others.
Antidepressant Use Among People With Heart Disease
In people with heart disease, depression can lead to further problems like stroke and heart attack. Here we look at antidepressant medications.
Does Mitral Valve Prolapse Cause Sudden Death?
Mitral valve prolapse (MVP) does not increase the risk of sudden death in the vast majority of people diagnosed with this condition.
Causes of Dizziness
There are two kinds of dizziness - lightheadedness and vertigo - and each has its own set of causes.
Is Acute Pericarditis Common After a Heart Attack?
Acute pericarditis after a heart attack occurs when the body's immune system goes into overdrive to repair tissue. Clot-busting drugs can prevent this.
Is It Safe for Kids With Heart Problems to Take ADHD Drugs?
We still have much to learn about the effects of ADHD stimulant drugs on the heart. Please remember that ADHD medications have adverse effects.
Cardiac Risk With Azithromycin (Zithromax Z-Pack)
The antibiotic azithromycin has been associated with an increased risk of sudden death, in people with long-WT syndrome.
Can Treatment Lower Your Blood Pressure Too Much?
Recent evidence suggests that in treating hypertension, doctors should be careful not to reduce the blood pressure too much.
Atrial flutter is a form of supraventricular tachycardia similar to atrial fibrillation, but which can often be eliminated with an ablation procedure
About Your Heart Age. . .
The Heart Age risk calculator is designed to tell you how old your heart is in relation to your real age.
Syncope - Evaluating Heart Disease Symptoms
A systematic approach to evaluating syncope is the key to a quick, accurate diagnosis.
Coronary Artery Calcium Scans - Are They Useful?
Calcium scans can be helpful in assessing the risk of coronary artery disease
Coronary Artery Bypass Surgery
In coronary artery bypass surgery -- also called coronary artery bypass grafting, or CABG -- surgeons graft a healthy artery or vein to a diseased coronary artery, beyond the areas that are blocked by plaques. This procedure allows blood to bypass the diseased part of the artery, and improves the supply of blood the heart muscle.
Ezetimibe (Vytorin) For Cholesterol
Ezetimibe (Vytorin, Zetia) reduces cholesterol levels reliably, but its appropriate place in the treatment of cholesterol is still undefined.
Bendopnea In Heart Failure
Bendopnea - shortness of breath while bending over - can be a symptom of advanced heart failure.
Angioplasty for treating blockages in arteries
Angioplasty is a catheterization procedure used to reduce blockages produced by atherosclerosis within arteries, most commonly the coronary arteries.
Dietary Fat Guidelines Were Flawed From The Beginning
US Dietary Guidelines stressing low fat, low-saturated fat, and low cholesterol, were flawed from the very beginning.
Entresto - A New Treatment For Heart Failure
Entresto is a new kind of drug developed for the treatment of heart failure, and whose results in a large clinical trial look extremely promising.
Dark Chocolate and Your Arteries
Dark chocolate can promote the health of your arteries in several ways, and the benefits are seen both acutely and chronically.
Apheresis For LDL Cholesterol
Apheresis is a method of lowering LDL cholesterol levels by
BNP Measurement and Diagnosing Heart Failure
BNP measurement can be helpful in diagnosing heart failure when the cause of a patient's symptoms are unclear.
Dietary Guidelines And Global Warming
With evidence against saturated fats fading away, experts now suggest that we avoid saturated fats to prevent global warming.
Cranberry Juice Increases HDL
Drinking cranberry juice may be yet another way for you to increase HDL levels.
The Benefits of Cardiac Rehabilitation Programs
Cardiac rehabilitation is essential to restoring your health after a heart attack.
What you should know about the beta blocker drugs
The beta blocker drugs are useful in treating many cardiac and non-cardiac conditions. Here is what you should know about them.
Coronary Heart Disease Treatments - Overview
Treating coronary artery disease requires decisions on how to prevent angina and ischemia, on how to prevent acute coronary syndrome, and how to prevent worsening of atherosclerosis
BMI, Waist Circumference, or Waist-To-Hip Ratio?
Waist-to-hip ratio more important than obesity itself in predicting cardiac risk
Amiodarone Lung Toxicity Side Effect
The most feared side effect of amiodarone (Cordarone, Pacerone) is pulmonary, or lung toxicity, which can be difficult to diagnose and treat, and which can be fatal.
NSTEMI - Non-ST-Segment Myocardial Infarction
NSTEMI - is a form of Acute Coronary Syndrome, identical to unstable angina, except that cardiac enzymes are elevated.
Dressler's syndrome is an inflammatory reaction involving the pericardium, that can appear after any kind of cardiac trauma.
Breast Cancer Radiation Therapy and the Heart
Heart disease risk can increase after radiation therapy for breast cancer.
Anti-Platelet Drug Therapy After A Stent
Dual anti-platelet therapy (DAPT) is necessary for a long time after stent placement, but DAPT can present significant issues.
Are PCSK9 Inhibitors The New Cholesterol "Miracle" Drugs?
The PCSK9 inhibitors offer a brand new way to reduce LDL cholesterol levels. But until we know more about these drugs, we should curb our enthusiasm.
Dopamine Can Be Used to Treat Heart Failure
Dopamine is sometimes prescribed to treat heart failure. Here we look at how this drug works as well as its adverse effects and contraindications.
Atrial Fibrillation Ablation
Ablation therapy is a reasonable option for some people with atrial fibrillation, but the success rates and complications must be carefully considered
Evaluating the seriousness and the cause of chest pain
If you have chest pain, you must decide whether to seek emergency help, then your doctor will need to efficiently evaluate its underlying cause.
Causes of chest pain - common lung disorders
Several common lung problems can cause chest pain, including asthma, bronchitis, pneumonia, and pleuritis (or pleurisy).
Secret Cardiology for Angina - EECP
Enhanced External Counterpulsation (EECP) is a noninvasive, mechanical treatment of angina.
Cardiac Resynchronization Therapy (CRT) for Heart Failure
Cardiac resynchronization therapy (CRT) treats heart failure by coordinating the function of the right and left ventricle.
Constrictive pericarditis is a condition in which the pericardium becomes stiff, thus restricting the normal function of the heart.
Cardiac MRI scanning has its limitations, but is routinely useful for evaluating several cardiovascular conditions - and the list is growing.
Potential Benefits of Moderate Alcohol on the Heart
Should doctors tell their patients about the benefits of alcohol?
Dealing With High Heart Disease Risk
What to do if you have high risk for heart disease
Abdominal Pain - When To See A Doctor
Abdominal pain is a symptom that affects almost everyone sooner or later. Sometimes abdominal pain has a serious medical cause. When is a doctor needed?
Eight Causes of Unintentional Weight Gain
Unintentional weight gain is a common issue. Most of the time it is related to our diet and exercise levels, but there are seven other causes as well.
What Is the Ejection Fraction?
The ejection fraction is the proportion of blood that is pumped from the left ventricle with each heart beat. Its measurement can be quite useful.
Diagnosing Cardiac Arrhythmias
Diagnosing cardiac arrhythmias means recording the heart rhythm until symptoms occur. Sometimes an electrophysiology study is helpful.
Cardiac Arrhythmias - Heart Rhythm Problems
A general overview of cardiac arrhythmias, or heart rhythm problems - extra heart beats, the bradycardias, and the tachycardias.
Exercise Recommendations for Brugada Syndrome
Brugada syndrome can cause sudden death during exercise. Here are current exercise recommendations for individuals with Brugada syndrome.
Avoid ACE Inhibitors in Pregnancy
ACE inhibitors and ARBs are associated with birth defects in pregnancy
Coronary Artery Erosions in Women
Heart attacks in younger women may be due to erosions in the coronary arteries, rather than plaque rupture within coronary arteries. This fact may explain why coronary artery disease (CAD) in women is often so different than in men.
Female Pattern Coronary Artery Disease
A newly recognized pattern of coronary artery disease in women can be difficult to diagnose.
Statins May Increase Risk of Diabetes
Statins reduce the risk of cardiovascular disease, but may increase the risk of diabetes. When does the benefit outweigh the risk?
Who Should Take Prophylactic Aspirin For Cardiac Prevention?
Aspirin can be useful in preventing heart attacks and strokes, but the side effect of bleeding can be a problem.
All About Hypertension Diagnosis
Hypertension is diagnosed when a person's blood pressure is persistently elevated beyond levels that are considered normal
What is the Atrioventricular (AV) Node?
The atrioventricular Node, or AV node, is a key part of the heart's electrical system, coordinating the function of the atria and ventricles.
Can Treating Hypertension Improve Diastolic Dysfunction?
Treating hypertension can reduce diastolic dysfunction.
Do You Really Need a Stent for CAD?
Here are three questions to ask your doctor if you are told you need a stent.
Atrioventricular Nodal Reentrant Tachycardia - AVNRT
Atrioventricular nodal reentrant tachycardia (AVNRT) is the most common type of supraventricular tachycardia (SVT), accounting for about 60% of all SVTs.
Atrioventricular Reentrant Tachycardia (AVRT)
Atrioventricular reentrant tachycardia (AVRT) is a type of supraventricular tachycardia (SVT). It accounts for about 30% of all SVTs.
What You Should Know About Stress and Heart Disease
Some kinds of stress can be bad for the heart - but not all types, and not under all circumstances. Read about stress and the heart.
Is Vegetable Oil Actually Healthy?
Current dietary guidelines recommend using lots of vegetable oil, but you should know about the potential downside of many vegetable oils.
My Doctor Says My Triglycerides Are High
What to do when your triglyceride levels are too high. Find out the natural ways to lower them by diet and lifestyle and medications that may be used.
How Aerobic Exercise Fights Stiff Heart
Regular aerobic exercise can decrease heart stiffness and improve diastolic dysfunction and quality of life.
Medical Treatments for Angina & Ischemia
Treating stable angina usually means therapy with medications and lifestyle changes, but in certain cases surgery or stenting are required.
Why Sitting Could Be Hurting Your Heart Health
Prolonged sitting is associated with a worsening of several cardiac risk factors, as well as reduced cardiac outcomes.
Uses of the transesophageal echocardiogram
The transesophageal echocardiogram (TEE) is useful for evaluating details of the hear that may be difficult to see with a standard echocardiogram.
Causes of chest pain - anxiety or panic disorder
Chest pain is common, along with many other bodily symptoms, in patients with anxiety or panic attacks.
Nuclear perfusion studies with thallium and Cardiolite
Nuclear perfusion studies with thallium and Cardiolite are often used to help diagnose coronary artery disease and other cardiac conditions.
Hypertrophic Cardiomyopathy (Genetic Heart Disorder)
Hypertrophic cardiomyopathy is a genetic cardiac disorder that can cause several heart problems, including heart failure and sudden death.
Holiday Heart - Alcohol and Atrial Fibrillation
Binge drinking of alcohol can lead to episodes of paroxysmal atrial fibrillation in the condition known as Holiday Heart.
Too Much Exercise a Risk for Atrial Fibrillation?
A sedentary lifestyle, or greatly overdoing the exercise, can both be risk factors for developing atrial fibrillation.
Should You Take CoQ10 with Statins?
CoQ10 has been touted as a way to avoid or treat muscle pain associated with the statin drugs, but so far evidence that it works is lacking.
How Do Beta Blockers Benefit Patients With Angina?
Beta blockers block the effect of adrenaline on the heart, and reduces the risk of developing angina during periods of stress and exercise.
Reentrant tachycardias are sudden-onset, rapid heart arrhythmias that occur in people who have
Guidelines for Flying with Heart Disease
Is it safe to fly when you have a heart problem? Here are guidelines for staying safe while flying with heart disease.
When Measuring Your CRP Levels Makes Sense
Should you have your CRP measured? - The pros and cons of measuring CRP levels
All About Pacemakers - What You Should Know
Here is what you should know about pacemakers - what they are and what they do, how they are implanted, and what to expect if you have or need one.
Sinus Bradycardia: Normal Vs. Abnormal
In sinus bradycardia, a slow heart rate occurs because the heart's sinus node is generating the electrical signals that regulate the heart rhythm at a relatively reduced rate. Sometimes sinus bradycardia is normal, but at other times it requires treatment.
What Causes Syncope (Fainting)?
Syncope, or fainting, is a common symptom that can be caused by many different medical conditions.
The electrocardiogram (ECG) for cardiac diagnosis
A description of the electrocardiogram (ECG), how it is performed, what it can tell your doctor about your heart - and what it cannot
Famous People With Heart Disease - George Carlin Cause of Death
Comedian George Carlin's cause of death is congestive heart failure, exacerbated by decades of addictions to cocaine, alcohol and opioids.
Pump Head - Cognitive Impairment After Bypass Surgery
Bypass surgery leaves some patients with permanent mental deficits
What Are Cardiac Enzymes?
Cardiac biomarkers (formerly cardiac enzymes) are proteins that are released into the bloodstream when heart muscle damage occurs.
When Statin Drugs Should Be Used
Statins drugs reduce cholesterol levels, and have several other effects on the body that reduce your risk for cardiovascular disease.
Wolff-Parkinson-White Syndrome - WPW
Wolff-Parkinson-White syndrome (WPW) is a cardiac condition which produces supraventricular tachycardia (SVT) and characteristic changes on the ECG.
The Immediate Cardiac Benefit Of Quitting Smoking
Quitting smoking has an immediate impact on your risk of heart attack or stroke.
Why Statins are Different from Other Cholesterol Drugs
While many drugs are available to lower cholesterol, statins are the drugs that have been shown in several clinical trials to significantly reduce the risk of heart attack and premature death.
White Coat Hypertension
In white coat hypertension, blood pressure is high in the doctor's office, but normal at other times. Here is what to do about it.
What Is the Best Diet After a Heart Attack?
The Mediterranean diet, rich in fresh produce, legumes, nuts and whole grains, may be the best bet for improving health after a heart attack.
What is Cardiac Amyloidosis?
Cardiac amyloidosis is a rare hear condition diagnosed in just 3,000 people each year. Also know as stiff heart syndrome, if untreated, it is fatal.
What Is a Heart Healthy Diet
A heart healthy diet consists of six simple rules.
6 Ways to Prevent Congrestive Heart Failure
Heart failure can be caused by several conditions, such as high blood pressure. But there are several ways you can prevent congestive heart failure.
Managing the Risks Related to Ventricular Tachycardia
Ventricular tachycardia is a potentially life-threatening, rapid heart rhythm disturbance that originates in the ventricles.
Ventricular fibrillation usually occurs in the setting of serious heart disease, and is the most dangerous of the cardiac arrhythmias.
What Is the Valsalva Maneuver? (Increasing Vagal Tone)
The Valsalva maneuver is a technique for transiently increasing the tone of the vagus nerve, and has several uses in medicine.
Non-Sustained Ventricular Tachycardia - NSVT
Non-sustained ventricular tachycardia (NSVT) is an episode of ventricular tachycardia that lasts for less than 30 seconds. Here is what it means.
Non-prescription cholesterol lowering
Lowering cholesterol levels can sometimes be achieved without the use of prescription drugs - but it doesn't always make sense to do so.
Is It Okay to Use Viagra With Heart Disease?
Viagra (sildenafil) can be used safely in most patients with heart disease. Viagra is a vasodilator which lowers systolic blood pressure.
Angina and Nitrates
Nitrates such as nitroglycerin and isosorbide denigrate are often effective in preventing and treating episodes of angina.
Niacin For Raising HDL Cholesterol
Niacin in high doses will reliably increase HDL levels - but side effects are common, and questions remain about the benefits of niacin for HDL.
What Makes Angina Unstable?
Unstable angina, a type of acute coronary syndrome, is a medical emergency. Learn about signs, symptoms, diagnosis and treatment.
Unsaturated Fats - What Are Unsaturated Fats
Unsaturated fats are fatty acids in which the carbon backbone includes least one double bond. If the unsaturated fat has only one double bond, it is called a monounsaturated fat. If it contains more than one double bond, it is called a polyunsaturated fat.
New Kinds of Stents
New stent technologies, mainly directed toward reducing the problem of late stent thrombosis, are aimed at improving the materials used in stents.
Prinzmetal's Angina or Coronary Artery Spasm
Prinzemetal's angina, or coronary artery spasm, is chest pain due to severe coronary artery spasm
Ultrasound Screening for Heart Disease
Ultrasound imaging technology has become an instrumental tool in screening for heart disease in asymptomatic patients.
Types of Supraventricular Tachycardia - SVT
Supraventricular tachycardia (SVT) is a family of arrhythmias causing palpitations and lightheadedness. Treatment depends on the specific type.
All About the Triglyceride and Cholesterol Test
Here is what you should know about the cholesterol and triglyceride blood test, when to get one, and how to interpret it.
Triglycerides and Your Risk of Cardiovascular Disease
Elevated levels of triglycerides in the blood, a condition known as hypertriglyceridemia, is associated with an increased risk of cardiovascular disease.
More On Statins And Diabetes
Statins appear to inherently increase the risk of type 2 diabetes - but for most people at high cardiac risk, statins still are strongly recommended.
What Are the Heart-Healthy Benefits of Monounsaturated Fats?
Monounsaturated fatty acids - the chief ingredient of olive oil - appears to be very good for cardiovascular health, and health in general.
Treatment for Pectus Excavatum or "Sunken Chest"
Most children with pectus excavatum or
Treating Unstable Angina and NSTEMI
Unstable angina and NSTEMI are both cardiac emergencies requiring immediate stabilizing medical therapy, and possibly invasive treatment as well.
Treating Peripheral Artery Disease
Peripheral artery disease can be treated medically, or invasively using angioplasty or bypass surgery.
Treating Vasovagal (Cardioneurogenic) Syncope
Treating vasovagal syncope always involves education, and often involves exercise, drugs, or pacemakers
Treating Hypertension in Older People
There are special considerations that must be taken into account when treating hypertension in the elderly.
Treating Diastolic Dysfunction and Heart Failure
Treating diastolic dysfunction and diastolic heart failure mainly depends on treating underlying causes, such as hypertension and CAD.
Treating Cholesterol In Older People
Available evidence suggests that even older people are likely to benefit from cholesterol lowering therapy if their cardiac risk is elevated.
Migraine and Patent Foramen Ovale (PFO)
Treating patent foramen ovale (PFO) does not appear to benefit migraine headache.
Transient Ischemic Attack, TIA, or Mini-stroke
A transient ischemic attack (TIA), also called a mini-stroke, is a temporary loss of normal neurological function due to interrupted brain blood flow.
Treatment of Premature Ventricular Complexes - PVCS
The treatment of premature ventricular complexes - PVCs - depends on the symptoms they are causing, and on any associated underlying heart disease.
Treatment of Abdominal Aortic Aneurysm
Which type of surgical approach is better for abdominal aortic aneurysm (AAA) can be a complex decision that must be individualized.
Treating Atrial Fibrillation - The Bottom Line
The best approach to treating atrial fibrillation depends on the frequency and duration of your arrhythmia, your symptoms, - and your own preferences.
Transcatheter Aortic Valve Implantation - TAVI
Transcatheter aortic valve Implantation (TAVI) is a minimally invasive technique for replacing diseased aortic valves.
The LP-PLA2 Test For Cardiovascular Risk
The LP-PLA2 test can be useful in characterizing your risk for cardiovascular disease, but for most people this test is not necessary.
What Is Thromboembolism and DVT?
A thromboembolism is a blood clot that has formed within the vascular system, broken loose, and lodged in a distant blood vessel.
Long QT Syndrome: Exercise Recommendations
Patients with Long QT syndrome have a higher risk of sudden death during exercise. Here are current exercise recommendations for people with Long QT syndrome.
Low-Fat Diets and the Heart
Despite decades of dietary recommendations and clinical research, low-fat diets have not been shown to reduce heart disease, obesity, or cancer.
Lightheadedness is a common symptom that may indicate a serious cardiac problem or other kind of medical condition.
Left Atrial Appendage Closure in Atrial Fibrillation
For patients with atrial fibrillation who cannot take anticoagulant drugs, surgical and catheter-based methods can help prevent stroke.
Automatic Implantable Cardioverter-Defibrillators (AICDs) and Lifestyle Concerns
Several lifestyle considerations should be taken into account if you are considering an automatic implantable cardioverter-defibrillator, or AICD.
The Sad History of Trans Fatty Acids
The history of how public health experts first demanded that trans fats be added to our diets, then demanded they be removed.
Reynolds Risk Calculator For Women
The Reynolds Risk Score for calculating cardiovascular risk for women more effective than standard methods
The Key Symptoms Caused By Heart Disease
Chest pain, fainting, fatigue, dizziness and heart palpitations are common symptoms associated with several types of heart disease.
The New Way of Thinking About Coronary Artery Disease
Doctors and patients alike need to stop thinking about coronary artery disease in terms of blockages alone. Any plaque, even tiny ones, are a threat.
Is Light Jogging More Heart Healthy Than Strenuous Running?
Yet more evidence that jogging slowly, for short periods of time, can substantially improve your cardiovascular system, and keep you healthy.
An implantable defibrillator (ICD) i monitors a person's heart rhythm, and delivers lifesaving treatment if a dangerous heart arrhythmia occurs.
Is Raising HDL Cholesterol A Good Idea After All?
Studies on raising HDL cholesterol have been disappointing so far, which has led researchers to revise their
Information on the Echocardiogram
The echocardiogram, also called the echo test, is a common non-invasive heart test that is useful for evaluating cardiac anatomy.
Ivabradine for Inappropriate Sinus Tachycardia - IST
Ivabradine slows the heart rate, and may be useful in treating inappropriate sinus tachycardia (IST) as well as POTS and vasovagal syncope.
Ivabradine (Corlanor) for Heart Failure
Ivabradine can improve heart failure by suppressing the sinus node and slowing the heart rate.
Ivabradine - What you should know
Ivabradine is a novel drug that slows the heart rate by reducing the firing of the sinus node. It is useful for heart failure and IST.
Using an EP Study to Help Guide Treatment for Arrhythmias
An electrophysiology study (EP study) is used to evaluate the heart's electrical system, and to diagnose and treat cardiac arrhythmias.
The Dark Side of "Good" Cholesterol
Sometimes HDL cholesterol (
Cardiac Stress Testing in Diagnosing Heart Disease
Cardiac stress testing can be useful in diagnosing coronary artery disease, and in making exercise recommendations for patients with heart disease.
Thallium Heart Stress Testing Risks and Limitations
A description of cardiac stress testing with thallium, indications for stress testing, and risks of stress testing of the heart. Page 2.
Is Being a Little Overweight OK? - BMI Controversy
Instead of being a major risk factor, some studies suggest that having a slightly elevated BMI score may actually improve health.
The Benefits of Exercise
Regular exercise has several beneficial effects on your body that can improve the function of your musculoskeletal system, your cardiovascular system, your respiratory system, your metabolism, and even your brain.
Calcium Channel Blockers
Calcium channel blockers are used for treating angina, hypertension and other medical conditions.
Implantable Cardioverter Defibrillator Recalls
A recall of an implantable defibrillator can be a scary experience, but usually the problem can be managed without resorting to surgery.
Impedance plethysmography is a non-invasive test used in the diagnosis of deep venous thrombosis (DVT).
Tachycardias - The Fast Heart Rhythms
Tachycardias are fast heart rhythm disturbances. They are categorized as either the supraventricular tachycardias or ventricular tachycardia.
Hypertrophic Cardiomyopathy Exercise Recommendations
Exercise recommendations with hypertrophic cardiomyopathy, HCM
Essential Long Term Treatment A Heart Attack
Now that you've gotten through the acute heart attack, there are several critical steps necessary for your long-term survival and good health.
Sudden Death in Young Athletes - Heart Health
Sudden death in young athletes, fortunately a rare event, can be due to a host of underlying cardiac conditions.
How to Survive a Heart Attack - The First Hours
Surviving a heart attack requires that you know the signs of a heart attack, and seek immediate medical help the moment you might be having one.
The Subcutaneous Implantable Defibrillator (S-ICD)
The subcutaneous implantable defibrillator (S-ICD) is a less complicated, less invasive form of therapy for people at high risk for sudden death.
How To Prevent Type 2 Diabetes
For many people, type 2 diabetes is preventable with appropriate lifestyle choices, and in some cases, with medication.
How To Prevent Another Heart Attack
After you have had a heart attack, it is critically important that you and your doctor take the steps necessary to prevent another heart attack.
When Should Stents Be Used in Coronary Artery Disease?
The COURAGE trial challenges the routine use of stents in stable coronary artery disease (CAD).
Which Works Better: Stents or Bypass Surgery?
When stents should be used instead of bypass surgery remains a controversial question - but in complex CAD, surgery is still usually the best options
Stents and when they are used
Stents are small, wire-mesh struts that are placed into arteries after an angioplasty procedure. The purpose of a stent is to keep the artery open.
Statins And the Risk of Diabetes in Healthy People
A study from the VA suggests that statins increase the risk of diabetes, and its complications, even in healthy people.
Stents- What You Need To Know
Stents are commonly used to treat coronary artery disease, but they definitely have a downside (or two). Here's what you need to know about stents.
Major Cause of Heart Attacks in Younger Patients? Smoking
Smoking is the major cause of heart attacks in people younger than 40