CSF created where? Absorbed by what? - Ventricles of brain, reabsorbed by arachnoid membrane
MACE stands for? - Military Acute Concussion Evaluation
GCS highest/lowest/significant score - High-15 Low-3 Significant-deterioration of 2+
Baseline Assessment for mental status - AVPU
Decorticate - hyper extension in legs, flexion at arms and elbows, hands towards center/core. UPPER
MID BRAIN
, Decerebrate - Teeth clenched, arms and legs extended. CENTRAL MID BRAIN
GCS deteriorating patients at risk for? - Ongoing pathological process
How to determine if CSF is present in blood - Halo/Target sign
Halo test - drop of blood on gauze- csf will form halo ring around blood
Difference of 1+mm pupil size is considered - abnormal
both pupils dilated but not reacting to light - brainstem injury
pupils dilated but they react to light - injury is reversible
dilated pupils that do/dont react to light for other reasons besides head trauma include... - hypothermia,
anoxia, lightning, optic nerve injury, direct eye trauma, drugs
If the pateint has a normal LOC, dilated pupils are not due to... - head injury. Look for other reasons
Suspect c-spine injuries for... - all non-penetrating head/face/neck wounds
Cushing's Triad - response to increse in ICP. Increase BP, Decrease HR, irregular respirations
Low BP due to head injury usually indicates - terminal event
Hypovolemic shock doesnt result from... - isolated head injury. Look for another reason
Evaluate TBI using - MACE
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