Teenager who was hit by a car while riding his go cart Pediatric Imaging Cardiovascular January 19, 2025November 28, 2024 CXR AP (above) shows the heart to be enlarged and to have a water bottle shape. Axial CT with contrast of the chest (below) shows a large amount of high density fluid in the pericardial space. The diagnosis was chylous pericardial effusion due to rupture of the thoracic duct. Related Published January 19, 2025November 28, 2024