Hosts Mitsuaki Sawano, MD, Kentaro Ejiri, MD, Nobuhiro Ikemura and Satoshi Shoji, MD, welcome Naohiko Sahara, MD (Toho University Ohashi Medical Center) to discuss his JACC: Clinical Electrophysiology study on intracardiac echocardiography (ICE) for detecting periaortic ventricular tachycardia substrate. In a multimodality core lab analysis, Dr. Sahara showed that ICE outperformed cardiac MRI in identifying arrhythmogenic scars, with wall thinning <0.6 cm predicting substrate even when no LGE was seen on MRI. The study highlights ICE’s growing role as a diagnostic bridge between imaging and electrophysiology in VT ablation.

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