New‐onset and recurrent atrial arrhythmias were defined as sustained atrial arrhythmias (lasting >30 seconds) documented by ECG, Holter monitor, or rhythm strips occurring any time from the baseline ...

My watch has an electrocardiogram (EKG) function, and it immediately said I was in atrial fibrillation at a rate of 100-130 bpm. I went to the emergency room where they confirmed AFib, did a bunch ...