Fig. 3From: Pediatric coronary artery fistula: echocardiographic case reports and literature review of treatment strategyRight coronary artery-right atrium (RA) fistula. a Arrow showed the dilated right coronary artery. b Arrow showed the course of fistula. c White arrow showed fistula ostium, black arrow showed the atrial septal defect. d The spectrum of fistula is continuous. e Angiography confirmed the diagnosis before surgery. f Arrow showed a tiny residual shunting after surgery. Ao aorta, LV left ventricle, RA right atrium, RV right ventricleBack to article page