Clinical electrocardiography . Fig. 155.—Patient had had angina pectoris for seven months. Died of heart diease six months after Fig. 156.—The duration of angina pectoris not known. The patient died ofheart disease six and one-half months after examination. ELECTROCARDIOGRAPHIC STUDY OF HEART DISEASE 169

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Keywords: ., bookcentury1900, bookdecade1920, bookidclinicalelec, bookyear1922