Screening strategies for atrial fibrillation in the elderly population: a systematic review and network meta-analysis.

Opportunistic screening for atrial fibrillation (AF) is currently recommended for patients aged 65 years and older. However, this has recently been called into question by two studies that report that opportunistic screening is no more effective than usual care. Furthermore, there seems to be no consensus on which is the most effective screening strategy (opportunistic or systematic).