Usefulness of the over‐the‐wire microelectrodes catheter in treatment of ventricular arrhythmia arising from the left ventricular summit

This study was aimed to investigate the efficacy of the over‐the‐wire (OTW) microelectrodes catheter in coronary venous system (CVS) mapping and treatment of outflow tract ventricular arrhythmia (OTVA) arising from the vicinity of the left ventricular summit (LVS).

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