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Coronary artery anomaly. Coronary artery anomalies are variations of the coronary circulation, affecting <1% of the general population. Symptoms include chest pain, shortness of breath and syncope, although cardiac arrest may be the first clinical presentation. Several varieties are identified, with a different potential to cause sudden cardiac ...
The circumflex artery supplies the posterolateral left ventricle and the anterolateral papillary muscle. It also supplies the sinoatrial nodal artery in 38% of people. It supplies 15–25% of the left ventricle in right-dominant systems. If the coronary anatomy is left-dominant, the circumflex artery supplies 40–50% of the left ventricle.
The left coronary artery (LCA, also known as the left main coronary artery, or left main stem coronary artery) is a coronary artery that arises from the aorta above the left cusp of the aortic valve, and supplies blood to the left side of the heart muscle. [citation needed] The left coronary artery typically runs for 10–25 mm, then bifurcates ...
Widow maker is an alternative name for the anterior interventricular branch of the left coronary artery. [9] [3] The name widow maker may also apply to the left coronary artery [10] or severe occlusions to that artery. [11] [12] This term is used because the left main coronary and/or the left anterior descending supply blood to large areas of ...
Medical genetics. Anomalous aortic origin of a coronary artery (AAOCA) is a rare congenital heart defect in which a coronary artery inappropriately arises from the aorta, usually from the incorrect sinus of Valsalva. This anomalous coronary artery often takes an interarterial (between the aorta and pulmonary artery), intraconal (within the ...
Cardiology. Anomalous left coronary artery from the pulmonary artery (ALCAPA, Bland-White-Garland syndrome or White-Garland syndrome) is a rare congenital anomaly occurring in approximately 1 in 300,000 liveborn children. The diagnosis comprises between 0.24 and 0.46% of all cases of congenital heart disease. [1]
The left main coronary artery begins at the posterior sinus of the aortic root. It is the largest coronary artery, as the myocardium supplied by this artery is larger than the coronary artery, although it becomes short as soon as it separates in the anterior interventricular (also known as left anterior descending or LAD) and circumflex artery ...
Coronary ischemia, myocardial ischemia, [1] or cardiac ischemia, [2] is a medical term for abnormally reduced blood flow in the coronary circulation through the coronary arteries. [3] Coronary ischemia is linked to heart disease, and heart attacks. [4] Coronary arteries deliver oxygen-rich blood to the heart muscle. [5]
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