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Transient electrocardiographic changes identical with those of acute myocardial infarction accompanying attacks of angina pectoris

Authors
Journal
American Heart Journal
0002-8703
Publisher
Elsevier
Publication Date
Volume
47
Issue
4
Identifiers
DOI: 10.1016/0002-8703(54)90234-3
Disciplines
  • Medicine

Abstract

Abstract During spontaneous attacks of angina pectoris, which were observed in two patients, transient changes of the electrocardiogram occurred, such as are usually associated with myocardial infarction. The changes disappeared rapidly. The electrocardiographic features usually held diagnostic of myocardial infarction, namely, significant Q deflections associated with elevation of the S-T segment or inversion of T, do not invariably represent dependable evidence of myocardial infarction. Transient coronary insufficiency, if it is of great magnitude, may in rare instances cause similar temporary changes of the electrocardiogram.

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