RT Journal Article SR Electronic T1 Persistent precordial “hyperacute” T waves signify proximal left anterior descending artery occlusion JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1951 OP 1952 DO 10.1136/hrt.2009.181214 VO 95 IS 23 A1 M J Eskola A1 K C Nikus A1 S Sclarovsky YR 2009 UL http://heart.bmj.com/content/95/23/1951.2.abstract AB