Rupture of both left ventricular papillary muscles following acute myocardial infarction. 1990

F V Lobo, and D el King, and H A Heggtveit
Department of Anatomic Pathology, Hamilton Civic Hospitals, Ontario.

A 77-year-old woman collapsed shortly after arrival at the emergency department and attempts at resuscitation were unsuccessful. Autopsy revealed an evolving recent transmural myocardial infarct in the posterolateral free wall of the left ventricle with rupture of both papillary muscles. No well documented description of post infarction dual papillary muscle rupture was found in the literature.

UI MeSH Term Description Entries
D010210 Papillary Muscles Conical muscular projections from the walls of the cardiac ventricles, attached to the cusps of the atrioventricular valves by the chordae tendineae. Muscle, Papillary,Muscles, Papillary,Papillary Muscle
D003326 Coronary Circulation The circulation of blood through the CORONARY VESSELS of the HEART. Circulation, Coronary
D005260 Female Females
D006341 Heart Rupture Disease-related laceration or tearing of tissues of the heart, including the free-wall MYOCARDIUM; HEART SEPTUM; PAPILLARY MUSCLES; CHORDAE TENDINEAE; and any of the HEART VALVES. Pathological rupture usually results from myocardial infarction (HEART RUPTURE, POST-INFARCTION). Cardiac Rupture,Cardiac Free Wall Rupture,Free Wall Rupture, Heart,Ventricular Free Wall Rupture,Cardiac Ruptures,Heart Ruptures
D006342 Heart Rupture, Post-Infarction Laceration or tearing of cardiac tissues appearing after MYOCARDIAL INFARCTION. Post-Infarction Heart Rupture,Cardiac Rupture, Post-Infarction,Cardiac Rupture, Post Infarction,Cardiac Ruptures, Post-Infarction,Heart Rupture, Post Infarction,Heart Ruptures, Post-Infarction,Post Infarction Heart Rupture,Post-Infarction Cardiac Rupture,Post-Infarction Cardiac Ruptures,Post-Infarction Heart Ruptures,Rupture, Post-Infarction Cardiac,Rupture, Post-Infarction Heart,Ruptures, Post-Infarction Cardiac,Ruptures, Post-Infarction Heart
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012770 Shock, Cardiogenic Shock resulting from diminution of cardiac output in heart disease. Cardiogenic Shock

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