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Electrophysiological Study Surpasses ECG in Predicting Life-Threatening Conduction Delays in Myotonic Dystrophy Type 1
In patients with myotonic dystrophy type 1 (DM1), electrophysiological study (EPS) using the His-ventricular (HV) interval is superior to electrocardiogram (ECG) in predicting major bradyarrhythmic events, suggesting enhanced risk stratification with EPS-guided thresholds.