Coronary artery heart disease is the commonest form of clinical heart disease beyond age 40. In common practice its diagnosis is usually based on clinical signs and symptoms. Frequently extensive pathologic lesions may be present but cannot be diagnosed by ordinary measures unless they produce overt clinical manifestations. Careful evaluation of history, EKG, including Master's Test, and other related laboratory tests can at best confirm or rule out the clinical impression of coronary heart disease. Objective demonstration of the anatomic extent of disease in the coronary arteries, as they exist in life, is however essential for more accurate diagnosis and for better selection of patients for surgical procedures, designed to improve myocardial blood flow. If anatomic information about the coronaries can be obtained in vivo perhaps as many as 56% of the patients can be helped significantly by surgical means as suggested by the studies of Szilagyi.
Coronary arteriography, at
BILGUTAY AM, GANNON P, STERNS LP, FERLIC R, LILLEHEI W. Coronary Arteriography: New Method Under Induced Hypotension by Pacing Experimental and Clinical Application. Arch Surg. 1964;89(5):899–904. doi:10.1001/archsurg.1964.01320050145014
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