This is a procedure used to treat cardiac arrhythmias such as atrial fibrillation and atrial flutter, among others. It involves advancing flexible catheters through the patient’s blood vessles. This entrance is usually made through the subclvian vein, the internal jugular vein, or the femoral vein. The catheters are advanced through the veins finally ending at the heart, where heat or freezing is used to destroy the abnormal tissue that is causing the arrhythmia.
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