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Related Experiment Videos

Pulsus alternans: its therapeutic implications

O F Guidry, D D Glass

    Southern Medical Journal
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Pulsus alternans, a pulse pattern indicating left ventricular heart failure, may be linked to myocardial ischemia. Interventions in four patients resolved this condition, suggesting a connection to cardiac ischemia.

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    Area of Science:

    • Cardiology
    • Internal Medicine

    Background:

    • Pulsus alternans is a clinical sign characterized by regular alternation in pulse strength.
    • It often signifies left ventricular dysfunction and heart failure.
    • Increasing invasive monitoring may lead to more frequent identification of pulsus alternans.

    Observation:

    • This report details four cases of pulsus alternans.
    • Specific interventions were administered to these patients.
    • These interventions led to the resolution of pulsus alternans.

    Findings:

    • The observed cases suggest a potential link between pulsus alternans and myocardial ischemia.
    • Interventions that improved cardiac function appeared to resolve pulsus alternans.
    • These findings align with experimental data in animals.

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    Implications:

    • Pulsus alternans may serve as an indicator of underlying myocardial ischemia.
    • Understanding the pathophysiology of pulsus alternans is crucial for managing heart failure.
    • Further research into the relationship between ischemia and pulsus alternans is warranted.