
Keywords: بلوک شاخه بسته چپ; BIV; biventricular pacing; CRT; cardiac resynchronization therapy; CS; coronary sinus; Dvect; distal left ventricular pacing vector; ECG; electrocardiogram; IVCD; intraventricular cardiac delay; LBBB; left bundle branch block; LV; left ventricular; MPP; M