Rupture of a Papillary Muscle of the Tricuspid Valve Following Acute Myocardial Infarction Report of a Case

Abstract
A case of rupture of a tricuspid papillary muscle due to myocardial infarction, apparently the first to be reported in the English literature, is presented. Anatomic, physiologic, and pathologic reasons for the rarity of such a rupture are advanced.