Korean Circ J.  2002 Feb;32(2):174-178. 10.4070/kcj.2002.32.2.174.

A Case of Anterior Papillary Muscle Rupture with Total Occlusion of Right Coronary Artery Resulting in Inferior Myocardial Infarction

Affiliations
  • 1Department of Internal Medicine, Korea University Medical College, Seoul, Korea. kuhpark@yahoo.com

Abstract

The arterial supply of the posteromedial papillary muscle of the left ventricle arises from the terminal branches of the right or circumflex arteries, depending on the distribution of these arteries. The anterolateral papillary muscle of the left ventricle is supplied primarily by one or more branches from the left anterior descending coronary artery, although it may also be supplied by circumflex marginal branches. The anterolateral papillary muscle is supplied only by the branches of the left coronary artery. However, in our case, the patient demonstrated a total occlusion of the right coronary artery that resulted in acute inferior myocardial infarction with a complete anterolateral papillary muscle rupture of the left ventricule as well as acute mitral insufficiency.

Keyword

Papillary muscles; Myocardial infarction; Mitral valve insufficiency

MeSH Terms

Arteries
Coronary Vessels*
Heart Ventricles
Humans
Inferior Wall Myocardial Infarction*
Mitral Valve Insufficiency
Myocardial Infarction
Papillary Muscles*
Rupture*
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