Infant with cyanosis Pediatric Imaging Cardiovascular October 8, 2019October 6, 2019 CXR AP (above) shows increased pulmonary blood flow and a snowman-shaped heart, AP angiogram venous phase (below) shows dilated superior vena cava on right and left vertical vein on left. The diagnosis was total anomalous pulmonary venous return – supradiaphragmatic. Related Published October 8, 2019October 6, 2019