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papillary muscle dysfunction; papillary muscle displacement
Etiology:
- inferior wall myocardial infarction
Pathology:
- papillary muscle displacement resulting from myocardial ischemia involving the adjacent ventricular wall
Clinical manifestations:
- mid-late or holosystolic murmur
- generally clinically stable without evidence of heart failure
Differential diagnosis:
- papillary muscle rupture
- mitral valve prolapse
General
heart disease (cardiac disease)
References
- Voci P, Bilotta F, Caretta Q, Mercanti C, Marino B.
Papillary muscle perfusion pattern. A hypothesis for ischemic papillary muscle dysfunction
Circulation. 1995 Mar 15;91(6):1714-8.
PMID: 7882478