RT Journal Article SR Electronic T1 Life threatening hyperkalaemia with diarrhoea during ACE inhibition JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 154 OP 155 DO 10.1136/emj.2003.011734 VO 22 IS 2 A1 J McGuigan A1 S Robertson A1 C Isles YR 2005 UL http://emj.bmj.com/content/22/2/154.abstract AB A 67 year old woman developed acute renal failure with serum potassium 9.4 mmol/l requiring emergency dialysis after seven days of diarrhoea while taking an ACE inhibitor for vascular disease. Review of the literature, the British National Formulary, and the patient information leaflets for each of the 11 ACE inhibitors currently marketed in the UK suggests that this potentially life threatening complication of ACE inhibition is not yet widely recognised.