Ex-vivo Histopathologic Examination of Irrigated Radiofrequency Ablation Utilizing Half-normal Saline of the Human Heart.

Irrigated RF ablation with HNS irrigant produces coagulative necrosis as well as several delayed histopathological changes with a deeper field of effective ablation. Transmurality may not be obtained in the ventricular myocardium with endocardial, epicardial, or sequential unipolar HNS ablation. This article is protected by copyright. All rights reserved.