RT Journal Article SR Electronic T1 The electrocardiographic differential diagnosis of ST segment depression JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 129 OP 135 DO 10.1136/emj.19.2.129 VO 19 IS 2 A1 T Pollehn A1 W J Brady A1 A D Perron A1 F Morris YR 2002 UL http://emj.bmj.com/content/19/2/129.abstract AB The importance of the electrocardiographic differential diagnosis of ST segment depression in patients presenting with acute chest pain is discussed.