Radiofrequency catheter ablation/Definition

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Radiofrequency catheter ablation [r]: Removal of tissue with electrical current delivered via electrodes positioned at the distal end of a catheter. Energy sources are commonly direct current (DC-shock) or alternating current at radiofrequencies (usually 750 kHz). The technique is used most often to ablate the AV junction and/or accessory pathways in order to interrupt AV conduction and produce AV block in the treatment of various tachyarrhythmias.

This definition is at least in part based on: Anonymous (2023), Radiofrequency catheter ablation (English). Medical Subject Headings. U.S. National Library of Medicine.