Flashcards in Head Injury Deck (26)
What is prognosis of a head injury related to?
Length and depth of unconsciousness
3 parts of GCS?
Ocular, verbal, motor
What is the cranial cavity divided up by?
Reflections of dural membrane
Into R and L by falx
Into upper and lower by tentorium cerebelli
What does laceration of the scalp cause?
What does the force required to cause a fracture depend on?
Thickness of hair
Thickness of scalp
Thickness of skull
Site of impact and direction
Name a condition which thickens the skull?
Hyperostosis internalis frontalis
Force from adult head falling from 1m
Force from running into fixed obstruction?
Indication of basal skull fracture
Who commonly gets hinge fractures?
What is a haemorrhage forming a distinct mass?
What might a blow to temple cause?
Fracture 85% of cases, tears an artery within groove in inner table of skull?
What is torn with extradural haematoma?
Middle meningeal artery insdie temporal bone
Lucid interval occurs in ?
What is caused from trivial fall or blow?
Who are subdural haemorrhages common in?
Alcoholics, elderly and children
What can cause a traumatic SAH?
Blow to chin OR ANGLE OF JAW JERKS HEAD, usually from a punch - traumatic basal SAH
vessels torn by stretching.
What kind of disease is most common to cause intracerebral haemorrhage?
What is Diffuse Traumatic Axonal Injury?
Tearing of nerve fivres (white matter) due to rotation and acceleration/deacceleration forces
Diagnosis of DTAI is usually based on microscopic findings. What one can be done in 2-4 hours?
Beta Amyloid Precursor Protein in immunostains
Diagnosis of DTAI is usually based on microscopic findings. What one can be done in 12-24 hours?
Thickened axons seen with silver stains
Diagnosis of DTAI is usually based on microscopic findings. What one can be done in 1 day?
Axonal retraction bulbs in white matter
What can be seen with naked eye in DTAI?
Haemorrhages in white matter
Name 3 late complications of HI?