CORONARY CINEANGIOGRAPHY. CLINICAL STUDIES FOR EVALUATION IN EQUIVOCAL CASES.

Coronary cineangiography was helpful in the following circumstances:1. A patient with an abnormal electrocardiogram and no evidence of coronary artery disease.2. A patient with thoracic pain in whom the diagnosis of coronary artery disease was questioned.3. A patient with intractable angina pectoris who was being studied for possible surgical therapy.4. A patient with coronary insufficiency and aortic stenosis who was being evaluated for operation on the aortic valve.