Stroke type and severity in patients with subclinical atrial fibrillation: An analysis from the Asymptomatic Atrial Fibrillation and Stroke Evaluation in Pacemaker Patients and the Atrial Fibrillation Reduction Atrial Pacing Trial (ASSERT)

In patients with SCAF and stroke, SCAF seems probably causal in many cases; however, in more than 40%, it seems to be acting only as a risk marker.