Source:http://linkedlifedata.com/resource/umls/id/C0162563
MSH: 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.,NCI: A procedure intended to eliminate or modify a focus or re-entry circuit that causes an arrhythmia in the heart. (ACC)