E. W. BITZER, M.D., F.A.C.P.
Angina pectoris is generally considered to be a manifestation of diseased coronary arteries. Coronary sclerosis is present in most cases but not in all, and marked coronary sclerosis may be found in cases which have not shown the anginal syndrome. To account for the cases with little or no pathological findings the theory of coronary spasm has been advanced.1, 2, 3 This is also a possible explanation of the angina of rest. The finding of changes in the R-T segment of electrocardiograms taken during spontaneous or induced attacks4, 5, 6 has been considered confirmatory evidence of the occurrence of coronary
BITZER EW. OBSERVATIONS ON THE EFFECT OF SUDDEN CHANGES IN ARTERIAL TENSION IN ANGINA PECTORIS1. Ann Intern Med. ;9:1120–1128. doi: 10.7326/0003-4819-9-8-1120
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Published: Ann Intern Med. 1936;9(8):1120-1128.
Cardiology, Coronary Heart Disease.
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