A young adult presents to the ED after a motorcycle crash. The pt has bruises around the left
orbital area. GCS=13, examination notes alcoholic breath. Shortly afterwards, his GCS drops to 7.
What is the single most important initial assessment test?
a. MRI brain
b. CT brain
c. CXR
d. CT angio brain
e. Head XR
answer: B
Lucid interval of extradural hematoma