"Holiday Heart Syndrome," a term coined in 1978, describes the influx of emergency room patients during the holidays suffering from irregular heart rhythms. Atrial fibrillation feels like a quiver in the chest and may be accompanied by shortness of breath and fatigue. Alcohol appears to be a major contributing factor, though salty foods, stress and lack of sleep can lead to the “perfect storm.” The key to preventing holiday heart? Cardiologist Dr. Kevin Campbell says "moderation in alcohol and eating. Getting plenty of exercise and plenty of sleep. And try to avoid big family discussions until after the holidays in order to minimize stress. "