When you identify new atrial fibrillation in a hospitalized patient that spontaneously converts to sinus rhythm within 24–48 hours and the patient has a CHA₂DS₂-VASc score of 2–3, how do you decide whether to initiate anticoagulation and/or discharge with a wearable cardiac monitor?
Emerging data from the NEJM Clinician 2025 year-in-review highlight the high stroke risk associated with transient hospital-onset atrial fibrillation.