Sentences with phrase «send radiofrequency»
During catheter ablation, which typically takes four to five hours, cardiologists thread a catheter, or long thin tube, up through a blood vessel from the groin to the heart and use it as a conduit to send radiofrequency energy to cauterize the misfiring cells.
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The tip of the catheter delivers radiofrequency energy that heats and destroys tissue that is sending out erratic electrical signals.