Blood clots in the legs or lungs (venous thromboembolism).Slow heart rate that could require a pacemaker to correct.Bleeding or infection at the site where the catheter was inserted.Have a high risk of complications from arrhythmias, such as sudden cardiac arrest.Have certain types of arrhythmias that respond well to ablation, such as Wolff-Parkinson-White syndrome and supraventricular tachycardia.Have had serious side effects from medications to treat arrhythmias.Have tried medications to treat an arrhythmia without success.Your health care provider may recommend cardiac ablation if you: Other times, it's done when other medicines or treatments don't work. Any disruption in the signaling pathway can trigger an irregular heartbeat (arrhythmia).ĭepending on the type of heart rhythm problem, cardiac ablation may be one of the first treatments. When the heart beats, the electrical signals that cause the heart to squeeze (contract) must follow a specific pathway through the heart. Cardiac ablation is a procedure that's used to correct heart rhythm problems.
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