Fig. 1From: Short- and medium-term follow-up of transcatheter closure of perimembranous ventricular septal defectsLeft ventricular angiography in preoperative and 15-min postoperative. a Left ventricular angiography showed the defect with the rim of 3.5 mm (the shunts was designated by arrow); b The 5 mm occluder closed the defect without residual shuntBack to article page