Peds assessment triad: appearance, work of breathing & circulation (skin color)
Child's size allows for distribution of injuries
multi-system<unk> is common
internal organs more susceptible to injury due to anterior placement of liver and spleen (as well as less protective muscle & fat)
Kidneys also less well protected and more mobile, prone to decelleration injury
Wadell Triad in auto vs. pedestrian child= femoral shaft fracture, intraabdominal/intrathoracic injury, and contralateral head injury
multi-system<unk> is common
internal organs more susceptible to injury due to anterior placement of liver and spleen (as well as less protective muscle & fat)
Kidneys also less well protected and more mobile, prone to decelleration injury
Trauma 
Standard trauma injuries plus:
Cold injuries
Child abuse
Drugs of abuse
SCIWORA
Head trauma 
Chance fracture