question: 12 yr old Child admitted to ICU with blunt trauma and femur fracture- Pao2 60% despite 100%o2 and rebreather mask, CXR shows lung fields clear but the patient remains confused. What is most likely the diagnosis -
opa: Pulmonary contusion.
opb: Fat embolism syndrome.
opc: Hypovolaemic shock.
opd: Pulmonary embolism.