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Updated: Jun 21, 2026

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Sudden death in a patient with idiopathic right ventricular outflow tract arrhythmia
Nicola Bottoni1, Fabio Quartieri, Gino Lolli
1Unità Operativa di Cardiologia Interventistica, Azienda Ospedaliera S. Maria Nuova, Reggio Emilia, Italy.
Abstract:
Idiopathic ventricular tachycardia originating from the right ventricular outflow tract (RVOT) and idiopathic RVOT extrasystoles are generally considered benign arrhythmias. We describe the case of a patient with typical RVOT arrhythmias without any symptoms for many years, who died suddenly the day before a planned electrophysiological study. The only disquieting signs in her clinical history were a relatively short coupling interval of premature ventricular contractions in some ECG recordings and an isolated run of polymorphic nonsustained ventricular tachycardia induced by an RVOT extrasystole during previous ECG monitoring.
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