RT Journal Article SR Electronic T1 Intermittent Brugada syndrome misdiagnosed as acute myocardial infarction and unmasked with propafenone JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 543 OP 543 DO 10.1136/heart.87.6.543 VO 87 IS 6 A1 I Akdemir A1 V Davutoglu A1 M Aksoy YR 2002 UL http://heart.bmj.com/content/87/6/543.abstract AB