Narrowed Right Bundle Branch Block Pattern in Tachycardia | Zendy

Luo Zhi | Zendy; Liu Yi | Zendy; Chen Yuwei | Zendy; Pu Xiaobo | Zendy; Xiao Xiangbin | Zendy

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Narrowed Right Bundle Branch Block Pattern in Tachycardia

Author(s) -

Luo Zhi,

Liu Yi,

Chen Yuwei,

Pu Xiaobo,

Xiao Xiangbin

Publication year - 2025

Publication title -

annals of noninvasive electrocardiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.494

H-Index - 48

eISSN - 1542-474X

pISSN - 1082-720X

DOI - 10.1111/anec.70072

Subject(s) - medicine , cardiology , orthodromic , right bundle branch block , sinus rhythm , electrophysiologic study , tachycardia , bundle branch block , left bundle branch block , sinus tachycardia , paroxysmal tachycardia , electrocardiography , normal sinus rhythm , supraventricular tachycardia , anesthesia , atrial fibrillation , electrophysiology , heart failure

ABSTRACT A 66‐year‐old man with 5‐year intermittent palpitation underwent an electrophysiologic (EP) study. Electrocardiograms (ECGs) on admission showed sinus rhythm with right bundle branch block (RBBB). During palpitation, regular tachycardia with RBBB occurred. Through detailed analysis, the diagnosis of Wolff‐Parkinson‐White (WPW) syndrome with orthodromic atrio‐ventricular reentry tachycardia (AVRT) was established. The case emphasizes the significance of comparing sinus rhythm and tachycardia ECGs for accurate diagnosis.

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