Pediatric Emergencies And Acute Care Practice Test

A 2-year-old girl has bruises in different stages on trunk and ears; caregiver history changes; child is quiet but stable. What is the most appropriate next step in the management of this patient?

A 6-year-old has fever, headache, confusion, and petechiae; vitals show HR 150, BP 88/46, SpO$_2$ 95%. What is the most appropriate initial management for this child's condition?