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A Case of Post Myocardial Infarction Papillary Muscle Rupture

Amornpol Anuwatworn, Christopher Milnes, Vishesh Kumar

    South Dakota Medicine : the Journal of the South Dakota State Medical Association
    |July 23, 2016
    PubMed

    Insights

    Papillary muscle rupture after myocardial infarction is deadly without surgery. Early diagnosis via physical exam and echocardiography is crucial for prompt, life-saving treatment.

    Area of Science:

    • Cardiology
    • Cardiac Surgery
    • Critical Care Medicine

    Background:

    • Papillary muscle rupture is a rare but fatal mechanical complication following myocardial infarction.
    • Prompt diagnosis and surgical intervention are critical for patient survival.

    Observation:

    • A case of inferior ST-elevation myocardial infarction presented with posteromedial papillary muscle rupture.
    • This led to severe acute mitral regurgitation, pulmonary edema, and cardiogenic shock.

    Findings:

    • A new mitral regurgitation murmur was detected on physical examination.
    • Transesophageal echocardiography confirmed complete papillary muscle disruption and flail anterior mitral leaflet.

    Implications:

    • Early recognition of papillary muscle rupture through thorough physical examination is vital.
    • Timely diagnosis facilitates prompt surgical intervention, improving patient prognosis.
    • This case highlights the importance of clinical skills in managing post-MI mechanical complications.

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