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

In patients with ischemic ventricular tachycardia (VT), substrate may be “protected” by the posteromedial papillary muscle (PMPM), explaining failure of endocardial-only ablation.

Source: Heart Rhythm - May 10, 2019 Category: Cardiology Authors: Andres Enriquez, David Briceno, Carlos Tapias, Yasuhiro Shirai, Daniele Muser, Jackson Liang, Tatsuya Hayashi, Pasquale Santangeli, David Frankel, Gregory Supple, Robert Schaller, Jeffrey Arkles, Diego Rodriguez, David Callans, Francis Marchlinski, Luis S Source Type: research