In cardiac ablation, doctors insert thin, flexible tubes (catheters) with electrodes on the tips into a blood vessel in your arm, groin or neck and thread them through your blood vessels to reach your heart. Doctors then apply heat (radiofrequency energy), a laser or extreme cold (cryoablation) through the catheters to destroy (ablate) abnormal heart tissue causing your heart rhythm disorder (arrhythmia).
Doctors perform cardiac ablation to treat many heart rhythm disorders, including:
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