Repeat US features of failed pregnancy

The Miscarriage page has been updated with information regarding the features of repeat US that are highly predictive of failed pregnancy. Preisler, J, Kopeika, J, Ismail, L, et al. Defining safe criteria to diagnose miscarriage: prospective observational multicentre study. BMJ 2015;351 http://www.bmj.com/bmj/351/bmj.h4579.full.pdf.

Steroids don’t reduce ED representations following allergy

The role of steroids in not preventing ED re-attendances following allergy has been added to the Anaphylaxis page. Grunau, BE, Wiens, MO, Rowe, BH, et al. Emergency Department Corticosteroid Use for Allergy or Anaphylaxis Is Not Associated With Decreased Relapses. Annals of Emergency Medicine;66(4):381-89. http://dx.doi.org/10.1016/j.annemergmed.2015.03.003.

NEXUS in older people

The Cervical spine injuries page has been updated with some additional information about the limitations of the NEXUS rules in patients > 65 years of age. Denver, D, Shetty, A, Unwin, D. Falls and Implementation of NEXUS in the Elderly (The FINE Study). The Journal of Emergency Medicine 2015;49(3):294-300. http://www.sciencedirect.com/science/article/pii/S0736467915002395.