Background—Although adiposity is increasingly recognized as a risk factor for atrial fibrillation (AF), the importance of epicardial fat compared with other adipose tissue depots remains uncertain. We ...

The high incidence of atrial arrhythmias is mostly due to AF. However, sinus tachycardia, another atrial arrhythmia, is a common physiologic response to stressors such as pain, fever, exercise, or ...