RT Journal Article SR Electronic T1 Postcardioversion ST-segment changes JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 854 OP 866 DO 10.1136/emermed-2021-211515 VO 38 IS 11 A1 Briosa e Gala, Andre A1 Paisey, John YR 2021 UL http://emj.bmj.com/content/38/11/854.abstract AB