Viskin Sami, Rosso Raphael, Rogowski Ori, Belhassen Bernard
Department of Cardiology, Tel-Aviv Sourasky Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
J Cardiovasc Electrophysiol. 2005 Aug;16(8):912-6. doi: 10.1111/j.1540-8167.2005.50040.x.
Idiopathic ventricular tachycardia (VT) originating from the right ventricular outflow tract (RVOT-VT) and idiopathic RVOT-extrasystoles are generally considered benign arrhythmias. We described three cases who originally presented with typical "benign looking" RVOT-extrasystoles or RVOT-VT but developed malignant polymorphic VT during follow-up. The unusual aspect of their RVOT-extrasystoles was their coupling interval, which appears to be intermediate between the ultra-short coupling interval of idiopathic VF and the long coupling interval seen in the truly benign RVOT-VT.
起源于右心室流出道的特发性室性心动过速（RVOT-VT）和特发性右心室流出道期前收缩通常被认为是良性心律失常。我们描述了3例最初表现为典型“看似良性”的右心室流出道期前收缩或右心室流出道室性心动过速，但在随访期间发展为恶性多形性室性心动过速的病例。其右心室流出道期前收缩的不寻常之处在于其联律间期，它似乎介于特发性室颤的极短联律间期和真正良性的右心室流出道室性心动过速的长联律间期之间。
