Have you heard of the Pediatric Assessment Triangle? Taught in the Pediatric Education for Prehospital Professionals (PEPP) certification course, it provides a clear and simple approach to the emergency assessment of pediatric patients. The following PV card summarizes the PAT:
PV Card: Pediatric Assessment Triangle
Adapted from 
Go to ALiEM (PV) Cards for more resources.
- Dieckmann R, Brownstein D, Gausche-Hill M. The pediatric assessment triangle: a novel approach for the rapid evaluation of children. Pediatr Emerg Care. 2010;26(4):312-315. [PubMed]