Ventricular tachycardia arises from an abnormal electrical focus or circuit in the myocardium of the ventricle and is usually manifested as a tachyarrhythmia with a wide QRS complex on ...

Cardiac ablation can improve symptoms and may extend a person’s life by treating certain heart arrhythmias. The procedure is often effective, but some serious complications can occur. Cardiac ablation ...

The procedure used to treat arrhythmias typically allows for a short recovery time, but precautions are necessary to preserve healthy heart function. Heart ablation creates little scars on heart ...

We conducted an international, open-label, randomized, blinded-outcome-assessment trial involving 1284 patients who had undergone successful catheter ablation for atrial fibrillation at least 1 year ...

This procedure uses energy to make small scars in your heart tissue. These scars stop unusual electrical signals that move through your heart and cause an uneven heartbeat (your doctor might call it ...