Occlusion of the circumflex artery during a myocardial infarction would interrupt blood supply to which area?
A) Left and right ventricles and much of the interventricular septum
B) Posterior interventricular sulcus and the smaller branches of both ventricles
C) Upper right ventricle, right marginal branch, and right ventricle to the apex
D) Left atrium and the lateral wall of the left ventricle

Question

Quizplus · Accepted Answer

The circumflex artery supplies blood to the left atrium and the lateral wall of the left ventricle.The circumflex artery often branches to the posterior surfaces of the left atrium and left ventricle.This selection is the only option affected by the occlusion described.

Occlusion of the Circumflex Artery During a Myocardial Infarction Would