Assertion: fibrillation's symptom | /r/CapableOf | decrease overall cardiac output
Facets:
value: from fast ventricular rates
type: CAUSE
value: from loss of atrial contraction
type: OTHER
Source sentences:
text: The symptoms of atrial fibrillation relate either to the irregularly irregular heartbeat causing palpitations or decreased overall cardiac output from loss of atrial contraction and fast ventricular rates resulting in congestive heart failure.