PubMed · 1623787
Pacemaker-induced friction rub and apical thrill.
Abstract
A patient with acute myocardial infarction developed a loud systolic sound and apical thrill. Doppler ultrasound excluded interventricular septal rupture and significant mitral or tricuspid regurgitation. Auscultatory abnormalities disappeared after removal of a temporary pacing electrode, suggesting that the friction it created with intracardiac structures was responsible for these findings.
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A L Flickinger, P A Peller, B P Deran, M W Burket. 1992. Pacemaker-induced friction rub and apical thrill.. https://doi.org/10.1378/chest.102.1.323
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