Atrial fibrillation (say “A-tree-uhl fih-bruh-LAY-shun”) is an irregular heart rhythm (arrhythmia) that starts in the upper parts (atria) of the heart.
Endocarditis is an infection of the heart's valves or its inner lining (endocardium). It is most common in people who have a damaged, diseased, or artificial heart valve.
Pericarditis is a swelling and irritation of the pericardium, which is the sac that surrounds your heart.
Your mitral valve controls blood flow on the left side of your heart. The valve opens and closes with each heartbeat. It works like a one-way gate, letting blood flow from your upper heart chamber to your lower chamber.
Aortic valve regurgitation develops when the aortic valve does not function correctly. To understand this condition, it's helpful to know how the aortic valve normally functions. The aortic valve works like a one-way gate, opening so
The heart has four chambers. In the lower left chamber (left ventricle), the aortic valve works like a one-way gate. When the heart pumps, the aortic valve opens to let oxygen-rich blood flow from the left ventricle into a large blood
Kawasaki disease is an uncommon childhood illness that causes inflammation of the blood vessels. It is most common in children ages 1 to 2 years. It is less common in people older than age 8. It tends to be severe for several days, but th
A spate of medical and media publications has recently highlighted possible conflicts of interest in a number of clinical trials.
An aortic aneurysm is a local enlargement or bulge in the aorta, the body's largest artery.
Congenital heart defects are problems with how a baby's heart forms. “Congenital” means that the heart problem develops before the baby is born or at birth.
Cardiovascular disease is the No. 1 killer of adults in the U.S. Don't become a statistic.
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