Tricuspid valvular papillary muscle rupture with intractable hypoxia: a rare complication post MI.
Acute inferior ST-elevation myocardial infarction (STEMI) alone contributes to approximately 10% of in-hospital mortality due to ischemic heart disease. Right ventricular involvement occurs in 50% of patients who present with inferior STEMIs, increasing in-hospital mortality to 31%. In the setting of concomitant severe tricuspid regurgitation, acute rupture of the papillary muscles within the right ventricle should be considered in the differential diagnosis. The authors present the case of a patient with intractable hypoxia in the setting of an acute inferior STEMI complicated by rupture of the posterior tricuspid valve papillary muscle.
Walker
Jonathan R
JR
Institute of Cardiovascular Sciences, St Boniface General Hospital, Winnipeg, MN, Canada.
Mousavi
Negareh
N
Horlick
Erich
E
Seifer
Colette
C
Jassal
Davinder S
DS
D004452:Echocardiography; D005260:Female; D006335:Heart Injuries / Q000000981:diagnostic imaging* / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications* / Q000000981:diagnostic imaging*; D010210:Papillary Muscles / Q000000981:diagnostic imaging* / Q000293:injuries*; D035583:Rare Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D012421:Rupture / Q000000981:diagnostic imaging / Q000209:etiology; D014261:Tricuspid Valve / Q000000981:diagnostic imaging* / Q000293:injuries*