The value of the electrocardiogram has frequently been stressed as an aid in the diagnosis of coronary occlusion. Numerous articles have been written on the similarity of the clinical features of coronary occlusion and acute abdominal conditions requiring surgical measures. Herrick,1 who was one of the first to call attention to coronary thrombosis as a clinical entity, stated the need of more observations to clear up some of the unsolved problems connected with acute obstruction of the coronary artery. He said: "Clinical and prompt decision as to operation for suspected surgical accidents has to be made at times. Detailed reports of such cases would be helpful."
When the emergency of which he spoke arises, of what value is the electrocardiogram and how soon after the occlusion do characteristic changes take place? A search of the literature has revealed comparatively few cases taken shortly after an attack. Obviously, if the electrocardiogram
HURXTHAL LM. THE APPEARANCE TIME OF T WAVE CHANGES IN THE ELECTROCARDIOGRAM FOLLOWING ACUTE CORONARY OCCLUSION: REPORTS OF TWO CASES. Arch Intern Med (Chic). 1930;46(4):657–668. doi:10.1001/archinte.1930.00140160107011
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