Fig. 2
Case 2. a Thoracic radiograph. Latero-lateral view, right recumbency. No abnormalities of pulmonary vessels and cardiac silhouette. b Echocardiography. Right parasternal short axis view, slightly oblique for pulmonary trunk and right pulmonary artery optimal visualization. The pulmonary arteries do not appear dilated but filarid echoes are present (white square) within the right pulmonary artery