Ischemic ventricular tachycardia from below the posteromedial papillary muscle, a particular entity: Substrate characterization and challenges for catheter ablation.

Andres Enriquez,David Briceno,Carlos Tapias,Yasuhiro Shirai,Daniele Muser,Jackson Liang,Tatsuya Hayashi,Pasquale Santangeli,David S Frankel,Gregory E Supple,Robert D Schaller,Jeffrey Arkles,Diego Rodriguez,David J Callans,Francis E Marchlinski,Luis Saenz,Fermin C Garcia

Heart Rhythm（2019）

引用 5|浏览44

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摘要

In patients with inferior ischemic scar, VT may arise from the area underneath the PMPM, limiting endocardial ablation. Intracardiac echocardiography accurately defines the substrate distribution, and an epicardial approach may eliminate VT. A pattern of "basal-endocardial/apical-epicardial" ischemic involvement is described.

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关键词

Catheter ablation,Ischemic cardiomyopathy,Papillary muscle,Substrate,Ventricular tachycardia

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