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Vor einem Tag · A myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops in one of the coronary arteries of the heart, causing infarction (tissue death) to the heart muscle.
Vor 2 Tagen · Coronary artery disease, also known as "ischemic heart disease", is a group of diseases that includes: stable angina, unstable angina, myocardial infarction, and is one of the causes of sudden cardiac death. It is within the group of cardiovascular diseases of which it is the most common type.
Vor 5 Tagen · Atrial fibrillation ( AF, AFib or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. [11] [12] It often begins as short periods of abnormal beating, which become longer or continuous over time. [4]
Vor 4 Tagen · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
- The Editors of Encyclopaedia Britannica
- In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
Vor 5 Tagen · In broken heart syndrome, a part of your heart temporarily enlarges and doesn’t pump well, while the rest of your heart functions normally or with even more forceful contractions. Researchers continue to learn more about the causes, and how to diagnose and treat it.
Vor 5 Tagen · NCDs are noncommunicable diseases, which include some of the world’s biggest killers: cardiovascular disease (heart disease and stroke), cancer, diabetes and chronic lung disease.
Vor 5 Tagen · The American Heart Association (AHA) proposed a new cardiovascular health (CVH) metric, LE8, which includes diet, physical activity, nicotine exposure, sleep health, body mass index (BMI),...
