Keywords: بلوک شاخه بسته نرم افزاری کامل را کامل کنید; AV; atrioventricular; cAVB; complete atrioventricular block; CRBBB; complete right bundle branch block; ECG; electrocardiography; MDO; modified double-disk occluder; pmVSD; perimembranous ventricular septal defect; PPM; permanent pacemaker; TTE; transthor