Natural History of Subclinical Atrial Fibrillation Detected by Implanted Loop Recorders

As new heart rhythm monitoring technologies emerge, subclinical atrial fibrillation (AF) signifies a future challenge to health care systems. The pathological characteristics of this condition are largely unknown.This study sought to characterize the natural history of subclinical AF in at-risk patients from the general population.The authors studied 590 individuals ≥70 years of age with ≥1 of hypertension, diabetes, previous stroke, or heart...