A programme for early diagnosis of atrial fibrillation: a multi-centre study in primary care.

Background: Atrial fibrillation (AF) is a morbid disease whose complications can be prevented if prompt and correctly treated.

Objective: To assess the usefulness of an early AF diagnosis programme in at-risk individuals in primary care centres.

Methods: In an open-label, multi-centre, controlled interventional study, individuals with one or more risk factors for AF but without known AF were enrolled.