A procedure which uses a catheter with an electrode in its tip to destroy the cells from which abnormal cardiac rhythms are originating is called a(n):

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The procedure described is radiofrequency ablation, which uses a catheter with an electrode to destroy the cells responsible for abnormal cardiac rhythms. Defibrillation and cardioversion are both procedures used to restore the heart's normal rhythm but do not involve the destruction of cells. Stent placement is a procedure used to treat blockages in blood vessels, and a heart transplant involves replacing a damaged heart with a healthy one.

A Procedure Which Uses a Catheter with an Electrode in Its