There are many case reports of AFib starting at a time of high stimulation of the parasympathetic nervous system.

My watch has an electrocardiogram (EKG) function ... consider whether to treat people who have AFib with medication to keep the heart rate in a normal range (like the diltiazem they gave you).

NEW HAVEN, Conn. (WTNH) — In Friday’s Health headlines, February is heart month, and we’re talking about AFib, portable EKG devices, and how stress this season can be hard on the heart.