1. Brignole M, Auricchio A, Baron-Esquivias G, et al. 2013 ESC Guidelines on cardiac pacing and cardiac resynchronization therapy: the Task Force on cardiac pacing and resynchronization therapy of the European Society of Cardiology (ESC). Developed in collaboration with the European Heart Rhythm Association (EHRA). Eur Heart J. 2013; 34:2281–2329.
2. Dhingra RC, Amat-Y-Leon F, Wyndham C, Sridhar SS, Wu D, Rosen KM. Significance of left axis deviation in patients with chronic left bundle branch block. Am J Cardiol. 1978; 42:551–556.
Article
3. Park CS, Cha MJ, Choi EK, Oh S. Prognostic implication of the QRS axis and its association with myocardial scarring in patients with left bundle branch block. Korean Circ J. 2017; 47:263–269.
Article
4. Patel PJ, Verdino RJ. Usefulness of QRS axis change to predict mortality in patients with left bundle branch block. Am J Cardiol. 2013; 112:390–394.
Article
5. Brenyo A, Rao M, Barsheshet A, et al. QRS axis and the benefit of cardiac resynchronization therapy in patients with mildly symptomatic heart failure enrolled in MADIT-CRT. J Cardiovasc Electrophysiol. 2013; 24:442–448.
Article
6. Reynolds MR, Joventino LP, Josephson ME; Miracle ICD Investigators. Relationship of baseline electrocardiographic characteristics with the response to cardiac resynchronization therapy for heart failure. Pacing Clin Electrophysiol. 2004; 27:1513–1518.
Article
7. Perrotta L, Kandala J, DI Biase L, et al. Prognostic impact of QRS axis deviation in patients treated with cardiac resynchronization therapy. J Cardiovasc Electrophysiol. 2016; 27:315–320.
Article
8. Choi KH, Han SW, Lee GY, et al. Prognostic significance of left axis deviation in acute heart failure patients with left bundle branch block: an analysis from the Korean Acute Heart Failure (KorAHF) registry. Korean Circ J. 2018; 48:1002–1011.
Article