circumflex branch of left coronary artery

(redirected from Circumflex branch)

cir·cum·flex branch of left cor·o·nar·y ar·ter·y

[TA]
terminal branch (with anterior interventricular artery) of left coronary artery that runs to left and then posteriorly in the coronary groove supplying atrial and ventricular branches.

cir·cum·flex branch of left cor·o·nar·y ar·te·ry

(sĭr'kŭm-fleks branch left kōr'ŏ-nar-ē ahr'tĕr-ē) [TA]
Terminal branch (with anterior interventricular artery) of left coronary artery that runs leftward and then posteriorly in the coronary groove supplying atrial and ventricular branches.
Synonym(s): ramus circumflexus arteriae coronariae sinistrae.
References in periodicals archive ?
In most of the cases it is a branch of right coronary artery (RCA), but in 35% cases it may arise from circumflex branch of left coronary artery (LCA).
Data on the number of ventricular branches in the interventricular paraconal branch, septal branches, atrial and ventricular branches of the circumflex branch, origin of the left and right marginal arteries, number of ventricular branches of the subsinusal branch, atrial and ventricular branches of the right coronary artery, and presence or absence of the accessory coronary artery were recorded on BioEstat[R] spreadsheets.
After origin, it was divided into anterior interventricular and left circumflex branch at a distance of 20 mm and continued in its normal course.
Just four weeks later, in June 1992, symptoms again returned and an exam showed total occlusion of the right coronary artery, 100 percent blockage in the circumflex branch, and partial blockage in the left anterior descending branch of the left coronary artery.
BACKGROUND Differentiating occlusion of the circumflex branch of the left coronary artery (also called the circumflex artery) from occlusion of the right coronary artery is often difficult because either may be associated with a pattern of acute inferior myocardial infarction on the electrocardiogram.
In the same heart, the left coronary artery was originating from the pulmonary trunk at its posterior wall, emerged between the pulmonary trunk and the left auricle and continued as the anterior interventricular branch, there being no circumflex branch (Fig.
The left coronary artery is divided into left main coronary artery (LM) and left circumflex branch (LCX).
Sinoatrial node artery artery frequently has been described as a solitary artery originating from RCA, or circumflex branch of the left coronary artery and/or from the trunk of the left coronary artery (1, 9, 10, 13).
This artery supplies the circumflex branch that, on its turn, provides several atrial and ventricular branches from which the most constant is the marginal branch that goes down the left margin of the heart.
In most cases, the anomalous circumflex branch arise from the right sinus of Valsalva or alternatively, branches of from the right coronary artery itself.
12) reported that the most frequent coronary artery variations were observed in the RCA (62%) and the left circumflex branch (27%), while Topaz et al (1992).

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