PMID: 697455May 1, 1978Paper

Precordial heart beats in myocardial infarct (clinical and electrocardiographic study in 40 cases)

Archivos del Instituto de Cardiología de México
B L FishlederC Friedland

Abstract

The precordial K1 to K6 cinetocardiograms in 40 patients with Myocardial Infarction (10 recent and 30 old) were studied. These were compared with the findings of the precordial palpetion, electrocardiograms, and the radiologic studies. In the recent infarcts, all the patients presented abnormal systolic "annoyances", 50% of which were palpable. In the old infarcts, 90% had abnormal cinetocardiograms and 63% had pathological precordial beats. The anterior infarcts tend to present "sounds" more to the right of the precordium than the posterior-inferiors. The diffuse cardiac hypokinesia may give normal cinetocardiograms. The severity of the myocardial disturbance is directly related to the precordial extension occupied by the abnormal systolic "annoyances". An aneurismectomy may cause the disappearance of the pathogenesis of these phenomena.

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