[The best of arrhythmia in 2006].

Even though the year 2006 did not bring any major publication reporting therapeutic trials in the field of arrhythmia, it has been marked by the publication of important international guidelines on atrial fibrillation (AF), the treatment of ventricular arrhythmia and the prevention of sudden death, as well as studies on AF ablation, the external automatic defibrillator, the risk factors of ventricular fibrillation in the acute phase of myocardial infarction, and genetic aspects of the arrhythmogenic right ventricular dysplasia.