Premature newborn with respiratory distress on a ventilator Pediatric Imaging Cardiovascular November 12, 2020 CXR AP (above) shows a large amount of air around the heart. CXR AP obtained after pericardiocentesis (below) shows a decreased amount of air around the heart and the diaphragm can be continuously traced across the image. The diagnosis was pneumopericardium in a patient with respiratory distress syndrome. Related Published November 12, 2020
