Fig. 3From: Physiological pacing to improve cardiac resynchronization therapy non-responder and a tryst with calcified septum—a case reporta Significant narrowing at left brachiocephalic and superior vena cava junction seen. b Placement of RV defibrillator lead and LV lead from the previous CRT implant. c, d Placement of new HBP lead in LAO & RAO view. The lead was given a 5–6 clockwise turn to fix at HBBack to article page