News tagged with coronary artery

Related topics: coronary artery disease · heart attack · patients · heart disease · heart

Assessing heart disease risk is within arm's reach

Atherosclerosis, commonly known as hardening of the arteries, has long been seen as a strong indicator of coronary artery disease, as compared to the traditional risk factors of race, age, gender and metabolic profile. Unlike ...

Apr 14, 2017
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Forty years, one procedure, millions of lives saved

While heart disease remains the leading cause of death for both men and women in the U.S., according the Centers for Disease Control, advances in medicine over the past 40 years have led to a substantial reduction in cardiovascular-related ...

Apr 13, 2017
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Coronary circulation

Coronary circulation is the circulation of blood in the blood vessels of the heart muscle. Although blood fills the chambers of the heart, the muscle tissue of the heart (the myocardium) is so thick that it requires coronary blood vessels to deliver blood deep into it. The vessels that deliver oxygen-rich blood to the myocardium are known as coronary arteries. The vessels that remove the deoxygenated blood from the heart muscle are known as coronary veins.

The coronary arteries that run on the surface of the heart are called epicardial coronary arteries. These arteries, when healthy, are capable of autoregulation to maintain coronary blood flow at levels appropriate to the needs of the heart muscle. These relatively narrow vessels are commonly affected by atherosclerosis and can become blocked, causing angina or a heart attack. (See also: circulatory system.) The coronary arteries that run deep within the myocardium are referred to as subendocardial.

The coronary arteries are classified as "end circulation", since they represent the only source of blood supply to the myocardium: there is very little redundant blood supply, which is why blockage of these vessels can be so critical.

This text uses material from Wikipedia, licensed under CC BY-SA

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