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Updated: May 5, 2026

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus MRSA in Rat
Published on: June 4, 2012
Case Report: Non-ischemic Papillary Muscle Rupture due to MRSA Myocarditis with Concurrent Thromboembolic Myocardial
Andrii Maryniak1,2, Filip Oleszak1,2, Jiannan Huang3,2
1Cardiovascular Disease Fellowship Program, University of South Dakota Sanford School of Medicine.
Non-ischemic papillary muscle rupture (PMR) is rare, especially when caused by concurrent myocarditis and infective endocarditis (IE). This case highlights the diagnostic challenges of coexisting myocarditis, IE, and myocardial infarction (MI).
Area of Science:
- Cardiology
- Infectious Diseases
- Pathology
Background:
- Non-ischemic papillary muscle rupture (PMR) is an uncommon cardiac emergency.
- The simultaneous occurrence of PMR with infective endocarditis (IE) and myocardial infarction (MI) is exceptionally rare and diagnostically complex.
- Myocarditis, particularly from Staphylococcus aureus (MRSA) bacteremia, can precipitate cardiac events.
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