http://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/home/ovc-20164923 http://www.heart.org/HEARTORG/Conditions/Arrhythmia/Arrhythmia_UCM_002013_SubHomePage.jsp http://www.heart.org/HEARTORG/Conditions/Arrhythmia/AboutArrhythmia/What-are-the-Symptoms-of-Atrial-Fibrillation-AFib-or-AF_UCM...
The clinical manifestations of AF are variable, although fatigue is the most common symptom. Often, the symptoms are attributable to the rapid ventricular response. However, even when the ventricular response is controlled, symptoms can occur from loss of AV synchrony or atrial systole This is part...