head injuries
altered mental state
tbi
hypoxaemia
hypovolemia/shock
hypothermia can contribute
mech of head injury
rta
being within 50m of any blast
direct blow to the head
exposed to multiple blasts
gsw or shrapnel to the head
either penetrating or blunt force injury
s + s
obvious scalp wound or deformity
altered level of consciousness
leaking csf
bruising around eyes and ears
mild tbi - concussion
no/brief loc
headache, tinitus, blurred vision
dizziness, light headed, loss of coordination
gcs 13-15
moderate tbi
confusion or disorientation more then 24 hrs
loc between 30 mins and 24 hrs
memory loss between 24hrs and 7 days
gcs 9-13
headaches, dizziness, nausea
severe tbi
confusion or disorientation more than 24 hrs
loc more than 24 hrs
memory loss more than 7 days
gcs 8 or below
dilated or fixed pupils
abnormal posture
erratic breathing
cardiovascular/resp abnormalities
management
treatment should be as soon as possible to prevent a secondary brain injury by hypoxia or hypotension
txa
give o2
resusitate if needed
control cat hem
prevent and treat hypothermia
give antibiotics if open wounds
cerebral compression
pressure may happen immediately or after a few days
severity if related to mech on injury and impact on cas
icp
haematoma
subarachnoid haemorrhage
intercerebral haemorrhage or tumor
cushings triad - cerebral herniation
irregular rr
low hr/pulse
high bp
s + s
deteriorating loc
dilated blown or fixed pupils
erratic breathing
severe headaches, vomiting, seizures
abnormal posture
cardiovascular/resp irregularities