Heart Tests by the National Heart, Lung, and Blood Institute
= Heart Tests by the National Heart, Lung, and Blood Institute
https://www.nhlbi.nih.gov/health/heart-tests
National Heart, Lung, and Blood Institute, Heart Tests, Coronary angiography subsection. The originating institutional description explains contrast dye, usually containing iodine, and X-ray imaging of coronary arteries. The Cardiac CT scan subsection separately describes acquisition of many X-ray views and reconstruction of a three-dimensional model.