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Pacemaker-induced endocardial friction rub

R D Glassman, R J Noble, M E Tavel

    The American Journal of Cardiology
    |November 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    Cardiac friction rubs after temporary pacemaker placement were observed in two patients. These rubs, caused by the pacing wire contacting the endocardium, resolved upon pacemaker removal.

    Area of Science:

    • Cardiology
    • Medical Devices

    Background:

    • Temporary transvenous pacemakers are used to manage cardiac rhythm disturbances.
    • Cardiac friction rubs are uncommon auscultatory findings.

    Observation:

    • Two patients developed audible cardiac friction rubs following temporary transvenous pacemaker insertion.
    • The friction rubs were transient and resolved after pacemaker removal.

    Findings:

    • Absence of myocardial perforation was confirmed in both patients.
    • The observed friction rubs are attributed to endocardial contact with the pacing wire.

    Implications:

    • This suggests endocardial friction rubs can occur with transvenous pacing without causing myocardial injury.
    • Clinicians should consider endocardial friction rubs in the differential diagnosis of new cardiac auscultation findings in patients with temporary pacemakers.

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