J Interv Card Electrophysiol (2017) 49:291–297 DOI 10.1007/s10840-017-0265-3 Novel electrocardiogram and electrophysiological findings for differentiating idiopathic left posterior papillary muscle and left posterior fascicular ventricular arrhythmias 1,2 1,3 1,3 1,3 Hung-Kai Huang & Fa-Po Chung & Yenn-Jiang Lin & Shih-Lin Chang & 1,3 1,3 1,3 1,3 1,3 Li-Wei Lo & Yu-Feng Hu & Ta-Chuan Tuan & Tze-Fan Chao & Jo-Nan Liao & 1,3 1,3 1,3 1,3 Chin-Yu Lin & Yao-Ting Chang & Abigail Louise D. Te & Shinya Yamada & 1,3 Shih-Ann Chen Received: 5 March 2017 /Accepted: 7 June 2017 /Published online: 4 July 2017 Springer Science+Business Media, LLC 2017 Abstract patients with PPM-VAs (90.3%) and 2/42 with LPF-VAs Purpose Differentiation between idiopathic left posterior fas- (4.8%). An algorithm incorporating a QRS duration of cicular ventricular arrhythmias (LPF-VAs) and posterior papil- ≥133 ms with a conduction duration of a VA-RBB of lary muscle (PPM) VAs is of clinical value. This study aimed to >36 ms could yield a sensitivity of 90.3% and specificity of develop an algorithm to distinguish PPM-VAs from LPF-VAs. 100% for discriminating PPM-VAs from LPF-VAs. Methods This study enrolled 73 consecutive cases, including Conclusions The novel algorithm incorporating a QRS duration 31 with PPM-VAs and
Journal of Interventional Cardiac Electrophysiology – Springer Journals
Published: Jul 4, 2017
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