RCT: Among patient with recent ischemic stroke without known atrial fibrillation, implantable loop recorder monitoring for 12 months detects more occurrences of AF compared with conventional external loop recorder monitoring for 30 days (15.3% vs. 4.7%) – “further research is needed to compare clinical outcomes associated with these monitoring strategies”.

Effect of Implantable vs. Prolonged External Electrocardiographic Monitoring on Atrial Fibrillation Detection in Patients With Ischemic Stroke: The PER DIEM Randomized Clinical Trial – JAMA (free for a limited period)

Editorial: Detection of Subclinical Atrial Fibrillation After Stroke: Is There Enough Evidence to Treat? – JAMA (free for a limited period)

Commentary: Implantable device more effective at detecting atrial fibrillation than standard of care – News Medical