Isolated acute papillary muscle infarction in the absence of coronary artery disease resulting in cardiogenic shock and emergent mitral valve replacement

摘要: A 76-year-old woman presented to our institution with shortness of breath, weakness, and syncope. Evaluation revealed severe mitral regurgitation cardiogenic shock secondary a flail posterior valve leaflet. An emergency cardiac catheterization did not demonstrate significant coronary artery disease. The patient was sent for an replacement. Intraoperatively, the posteromedial papillary muscle found be transected. Histological analysis, clinical presentation, review literature isolated infarction are presented. Cathet. Cardiovasc. Diagn. 43:185–189, 1998. © 1998 Wiley-Liss, Inc.