SILENT OR ATYPICAL CORONARY OCCLUSION

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Abstract
Coronary occlusion and myocardial infarction are not synonymous terms, either one can occur without the other. Postmortem studies previously reported show that in 50% (in some series) of patients having demonstrable occlusions of the coronary arteries, an associated history of pain is absent. Myocardial infarction occasionally occurs without pain. In the present study of 49 cases of proved myocardial infarction (by autopsy or electrocardiograms), 13 (26.5%) had no pain. However, all had either vertigo, syncope or sudden increasing dyspnea and heart failure.

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