Detailed Tests & Procedure Guides See All  Positron Emission Tomography (PET) in Detailed Tests & Procedure Guides A positron emission tomography (PET) scan is a type of nuclear medicine imaging test. It is used to examine various body tissues to identify certain conditions by looking at blood flow, metabolism, and oxygen use. PET scans may also be used to see how well the treatment of certain diseases is working. ...more  Fluoroscopy Procedure in Detailed Tests & Procedure Guides Fluoroscopy is a type of imaging tool. It looks at moving body structures.

Arrhythmias See All  Arrhythmias in Arrhythmias An arrhythmia is an abnormal heart rhythm that can cause problems with the contractions of your heart chambers. ...more  Atrial Fibrillation in Arrhythmias Atrial fibrillation, or AFib, is a kind of abnormal heart rhythm or arrhythmia. AFib increases the risk for blood clots. These clots can then travel to the brain, causing a stroke. This is why AFib significantly increases the risk for stroke.

High Blood Pressure See All  High Blood Pressure/Hypertension in High Blood Pressure High blood pressure, or hypertension, increases the risk for coronary heart disease (heart attack) and stroke (brain attack). Read on for details about this condition. ...more  Primary Pulmonary Hypertension (PPH) in High Blood Pressure Primary pulmonary hypertension (PPH) is high blood pressure in the lungs. It's a rare lung disorder in which the blood vessels in the lungs narrow and the pressure in the pulmonary artery rises far above normal levels.

Coronary Artery Disease See All  Coronary Heart Disease in Coronary Artery Disease Detailed information on coronary artery disease, including anatomy of the coronary arteries and disease symptoms, diagnostic, and treatment information...more  Atherosclerosis in Coronary Artery Disease Atherosclerosis is a type of thickening or hardening of the arteries caused by a buildup of plaque in the inner lining of an artery.

Heart Valve Disease See All  Heart Valve Diseases in Heart Valve Disease Heart valves can malfunction on one of two ways: They can fail to close completely, allowing blood to flow backward, or they can become damaged, limiting blood flow. ...more  Mitral Valve Prolapse in Heart Valve Disease The mitral valve sits between the left atrium and left ventricle. It's job is to keep blood flowing in the right direction. Mitral valve prolapse is the bulging of the valve causing blood to leak backwards.

Heart Attack See All  Nonsurgical Treatment Options for Heart Attack in Heart Attack Not everyone who has had a heart attack needs open-heart surgery, such as a bypass operation. Read on to learn about other treatment options. ...more  After a Heart Attack in Heart Attack Over the long-term, your quality of life is tied to how severe your heart attack was and how it was treated. Beyond that, any change will depend largely on you. ...more  Preventing a Second Heart Attack in Heart Attack Most Americans survive a first heart attack.

Living With Heart Failure See All  Heart Failure: Breathe More Easily in Living With Heart Failure Heart failure makes it hard for oxygen to get into the blood, causing shortness of breath. Here are some tips to help you breathe more easily. ...more  Heart Failure and Physical Activity in Living With Heart Failure There are many benefits to regular, moderate physical activity--especially for people with heart failure. Here's what you need to know.

Heart Failure See All Living With Heart Failure See All  Heart Failure in Heart Failure Heart failure is a condition in which the heart can't pump enough blood to meet the body's needs. ...more  Cardiomyopathy in Heart Failure Cardiomyopathy is any disease of the heart muscle in which the heart loses its ability to pump blood effectively. ...more  What is Ejection Fraction? in Heart Failure Ejection fraction is a measurement of how much blood your heart pushes out when it beats.

Other Heart Conditions See All  Pericarditis in Other Heart Conditions Pericarditis is inflammation of the pericardium, the thin sac that surrounds the heart. Read on to learn details, such as causes, symptoms, diagnosis, treatment, and complications. ...more  Rheumatic Heart Disease in Other Heart Conditions Rheumatic heart disease is a condition where the heart valves have been permanently damaged by rheumatic fever.

Heart Conditions and Diseases See All Arrhythmias See All Coronary Artery Disease See All Heart Attack See All Heart Valve Disease See All Heart Failure See All High Blood Pressure See All Other Heart Conditions See All  Arrhythmias in Arrhythmias An arrhythmia is an abnormal heart rhythm that can cause problems with the contractions of your heart chambers. ...more  Atrial Fibrillation in Arrhythmias Atrial fibrillation, or AFib, is a kind of abnormal heart rhythm or arrhythmia. AFib increases the risk for blood clots. These clots can then travel to the brain, causing a stroke.