LEO WAITZKIN, M.D.
In 1937 Feil,1 and Sampson and Eliaser2 described "preliminary" or "premonitory" pain in 15 (50 per cent) and 29 (48.1 per cent)2 of their cases of acute myocardial infarction.
Since this subject is deemed of considerable importance, we are recording our experience and impressions. Of 61 consecutive cases of acute infarction treated in the past two years, 17 had premonitory symptoms. They are summarized in table 1. Additional data are given in 5 cases.
The symptoms have the following characteristics:
1. There may be one or more episodes of spontaneous prolonged cardiac pain, mild or severe, with or without a
WAITZKIN L. IMPENDING MYOCARDIAL INFARCTION1. Ann Intern Med. 1944;21:421–430. doi: 10.7326/0003-4819-21-3-421
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Published: Ann Intern Med. 1944;21(3):421-430.
Acute Coronary Syndromes, Cardiology, Coronary Heart Disease, Emergency Medicine.
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