RT Journal Article SR Electronic T1 Acute management of atrial fibrillation with acute haemodynamic instability and in the postoperative setting JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 45 OP 47 DO 10.1136/hrt.2006.099929 VO 93 IS 1 A1 C J Mann A1 S Kendall A1 G Y H Lip A1 on behalf of the Guideline Development Group for the NICE clinical guideline for the management of atrial fibrillation YR 2007 UL http://heart.bmj.com/content/93/1/45.abstract AB