Atrial branches of coronary arteries - Factbites
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Topic: Atrial branches of coronary arteries


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In the News (Sun 19 May 13)

  
 Function of the Coronary Arteries : MCG Health System
The coronary arteries consist of two main arteries: the right and left coronary arteries, and their two branches, the circumflex artery and the left anterior descending artery.
Since coronary arteries deliver blood to the heart muscle, any coronary artery disorder or disease can have serious implications by reducing the flow of oxygen and nutrients to the heart, which may lead to a heart attack and possibly death.
The right coronary artery (RCA), which divides into the right posterior descending artery and a large marginal branch, supplies blood to the heart ventricles, right atrium, and sinoatrial node (cluster of cells in the right atrial wall that regulates the heart's rhythmic rate).
www.mcghealth.org /Greystone/heart/arteries.html   (354 words)

  
 ANGIOGRAM 18 by Mike Poullis
The main stem of the left coronary artery courses from the left sinus of Valsalva anteriorly, inferiorly, and to the left between the pulmonary trunk and the left atrial appendage.
The left main stem can be absent, with separate orifices in the sinus of Valsalva for its two primary branches (1 percent of patients).
The main stem divides into two major arteries of nearly equal diameter: the left anterior descending artery and the circumflex artery.
www.shef.ac.uk /~ctsurg/Angio/angio/18/Dir.htm   (354 words)

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