This is referred to as an “ectopic atrial rhythm” or “ectopic P wave.” Atrial tachycardia is quite common. The causes of atrial tachycardia include chronic hypertension, congestive heart ...

Atrial fibrillation (AF) is the most common clinical arrhythmia, increases in prevalence with age and may attribute to one in four ischemic strokes among the elderly. Patients with AF have a 60 ...