The subepicardiol focus of ventricular tachycardia (VT) of 15 dogs was treated by transcatheter chemical ablation of intramyocardial injection of 100% ethanol.

• 采用经导管心壁内注射100%25乙醇的化学消融方法治疗了15条犬的右心室心外膜下室性心动过速（室速），急性和慢性有效率均为100%25。