When would you obtain a CT for a pediatric patient who sustained a head injury? Watch this nice 11-minute video review by Dr. Raul Patwari, discussing the 2009 Lancet PECARN study.
See also the PV card with the PECARN algorithm 1
Kuppermann N, Holmes J, Dayan P, et al. Identification of children at very low risk of clinically-important brain injuries after head trauma: a prospective cohort study. Lancet. 2009;374(9696):1160-1170. [PubMed]