Towards evidence based emergency medicine: best BETs from the Manchester Royal Infirmary. Weather dependent nasal erythema in reindeer (Rangifer tarandus).

A short cut review was carried out to establish whether nasal erythema in a reindeer might be a useful navigational aid on Christmas Eve. From a search of nine papers, five presented evidence relevant to the question. The author, date and country of publication, "subjects" studied, study type, relevant outcomes, results and study weaknesses of these papers are presented in table 3.

Best evidence topic report. Intravenous NSAID's in the management of renal colic.

A short cut review was carried out to establish whether intravenous non-steroidal anti-inflammatory drugs are better than opioids at reducing pain in renal colic. 230 papers were found, of which five presented the best evidence to answer the clinical question, these have been meta-analysed by the Cochrane collaboration. The results of the meta-analysis are presented here.