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