A Study of the Clinical Reactions to Venous Angiocardiography

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Abstract
THE rapid advances in cardiac surgery during the past ten years have increased the need for accurate diagnosis of lesions of the heart and great vessels. This has resulted in an ever-increasing use of the technic of angiography.The contrast agents employed in angiography contain iodine in amounts varying from 50 to 66 per cent of their weight; they are directly irritating to living tissue,1 , 2 and all are markedly hypertonic —for example, 70 per cent Diodrast (iodopyracet) has nine times, 75 per cent Neo-Iopax (sodium iodomethamate) has ten times, and 70 per cent Urokon (sodium 3 acetylamino-2, 4, 6-triiodobenzoate) has . . .
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