Atrial fibrillation
Irregular heartbeats can be serious. If palpitations continue for longer than a few hours patients should seek medical attention. Some abnormal heart rhythms (arrhythmias) associated with Holiday heart syndrome after binge drinking can lead to sudden death, which may explain some of the sudden death cases commonly reported in alcoholics. Atrial fibrillation is the most common arrhythmia in holiday heart syndrome. Symptoms usually resolve themselves within 24 hours.