HYMAN ENGELBERG, M.D.
It is now recognized that premonitory symptoms occur in a substantial proportion of all attacks of acute myocardial infarction.1 There is a definite change in the clinical picture, with increasingly severe angina and rapidly decreasing effort tolerance. The electrocardiogram at rest may or may not indicate coronary insufficiency, and it is not as important as the clinical story in the diagnosis. This is particularly true when the patient has been under the physician's care for a considerable time. Nevertheless, the diagnosis of impending coronary occlusion cannot be established with absolute certainty unless an infarction actually occurs. It is most apt
ENGELBERG H. SIMPLIFIED HEPARIN THERAPY OF IMPENDING AND ACUTE MYOCARDIAL INFARCTION*. Ann Intern Med. 1956;44:466–475. doi: https://doi.org/10.7326/0003-4819-44-3-466
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Published: Ann Intern Med. 1956;44(3):466-475.
Acute Coronary Syndromes, Cardiology, Coronary Heart Disease, Emergency Medicine.
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