“…2,7 Most commonly, clinically evident hemolysis is transient and resolves with progressive device thrombosis, although significant persistent hemolysis leading to acute kidney injury (AKI) and, ultimately, surgical device removal has been described. 8,9 We report a case of severe hemolysis following transcatheter occlusion of an iatrogenic Gerbode defect with an Amplatzer muscular ventricular septal defect (mVSD) occluder successfully managed by transcatheter device removal and reocclusion using the Gore Cardioform Atrial Septal Defect (ASD) Occluder. Formal review was waived by the Institutional Review Board given the retrospective nature of this case report.…”