left circumflex artery


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Related to left circumflex artery: left coronary artery, right coronary artery, Left marginal artery, LCX, Left anterior descending artery

left circumflex artery

Abbreviation: LCx
An artery that branches from the left main coronary artery and runs to the left, in the atrioventricular groove, i.e., the coronary sulcus, around the lateral and posterior sides of the heart. It supplies blood to portions of the left ventricle and left atrium.
Synonym: circumflex coronary artery; left circumflex coronary artery See: heart (The heart) for illus.
See also: artery
References in periodicals archive ?
For each patient, the researchers evaluated a total of 100 segments from four vessels--left main coronary artery, left anterior descending coronary artery, left circumflex artery, and right coronary artery.
The artery to the sinus atrial node arose from the proximal left circumflex artery.
A left heart cath, revealed the culprit lesion to be a totally occluded left circumflex artery.
Coronary angiography demonstrated 90% osteal stenosis of left anterior descending artery, 70% stenosis of left circumflex artery, and 80% stenosis of right coronary artery.
Considering a high pre-test probability for coronary artery disease, he was scheduled for cardiac catheterization, which showed diffuse ectasia of his left circumflex artery (10 mm in diameter) and left anterior descending artery (6 mm in diameter).