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Not All “Idiopathic” PVCs Are Benign: Concealed Long QT Syndrome Unmasked by RVOT PVC Ablation

Year: 2026

Type: article

Abstract: A young woman undergoing ablation for presumed idiopathic RVOT PVC developed torsades de pointes and was diagnosed with concealed LQT1. Subtle rate-dependent repolarization abnormalities on pre-ablation ECG may signal LQT1; careful ECG scrutiny is essential before intervention, as not all PVCs from the RVOT are benign.

Source: Journal of Arrhythmia

DOI: 10.1002/joa3.70330

Authors: Khuong Dang Tran, Ngoc Dinh Son Nguyen, Li‐Wei Lo, Son Cao Luong

Institutions: University Medical Center HCMC, Taipei Veterans General Hospital

Language: English

Topic: Cardiac electrophysiology and arrhythmias

Subfield: Cardiology and Cardiovascular Medicine

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $1,540