Clinical electrocardiography . Fig. 175.—Patient had had angina pectoris for one year,three vears after examination. Died of heart disease. Fig. 176.—The duration of angina pectoris not known. The patient died of heartdisease three years and two months after examination. ELECTROCARDIOGRAPHIC STUDY OF HEART DISEASE 179

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Keywords: ., bookcentury1900, bookdecade1920, bookidclinicalelec, bookyear1922