RT Journal Article SR Electronic T1 Why should we screen for atrial fibrillation? JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 6 OP 7 DO 10.1136/heartjnl-2016-310305 VO 103 IS 1 A1 Emma Svennberg A1 Johan Engdahl YR 2017 UL http://heart.bmj.com/content/103/1/6.abstract AB