Key result
Case report details narrow QRS tachycardia with an atrial sequence differing from ventricular pacing.
A case report exploring the mechanism of a narrow QRS tachycardia with an atypical atrial sequence during ventricular pacing.
Atrial sequence mismatch may refine narrow QRS tachycardia diagnosis; leaves open validation in larger cohorts.
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Matsunaga‐Lee et al. (2022) studied this question. A narrow QRS tachycardia with an atrial sequence differing from that during ventricular pacing was evaluated in a 53-year-old man presenting with symptomatic palpitations.
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