Left Bundle Branch Block | Zendy

Nicholas Y. Tan | Zendy; Chance M. Witt | Zendy; Jae K. Oh | Zendy; YongMei Cha | Zendy

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Left Bundle Branch Block

Author(s) -

Nicholas Y. Tan,

Chance M. Witt,

Jae K. Oh,

YongMei Cha

Publication year - 2020

Publication title -

circulation arrhythmia and electrophysiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.684

H-Index - 102

eISSN - 1941-3149

pISSN - 1941-3084

DOI - 10.1161/circep.119.008239

Subject(s) - medicine , left bundle branch block , cardiac resynchronization therapy , cardiology , ejection fraction , heart failure , coronary sinus , bundle branch block , electrical conduction system of the heart , bundle , electrocardiography , materials science , composite material

Left bundle branch block may be due to conduction system degeneration or a reflection of myocardial pathology. Left bundle branch block may also develop following aortic valve disease or cardiac procedures. Patients with heart failure with reduced ejection fraction and left bundle branch block may respond positively to cardiac resynchronization therapy. Lead placement via the coronary sinus is the mainstay approach of cardiac resynchronization therapy. However, other options, including physiological pacing, are being explored. In this review, we summarize the salient pathophysiologic and clinical aspects of left bundle branch block, as well as current and future strategies for management.

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