Head injuries Flashcards
Major head trauma
A traumatic insult to the brain possibly producing physical, intellectual, emotional, social, and vocational changes
- High potential for poor outcome
- Majority of deaths occur at three points in time after injury
Immediately
Within 2 hours
3 weeks after injury
Ethology of head injuries
Young adults
- Sports injuries**
- Accidents (Car and motorcycles)
- Violent assaults
Boxers and other athletes
- Contact sports
Elderly
- Falls
Infants
- Shaken baby syndrome
Scalp laceration
The most minor type of head trauma
Scalp is high vascular = Profuse bleeding
Major complication is infection
Head injuries: Skull fracture
Linear
Simple clean break in skull
Head injuries: Skull fracture
Comminuted
Skull in fragmented pieces
Head injuries: Skull fracture Depressed
Skull bone fragments pushed into brain
Head injuries: Skull fracture Basilar
At base of skull, may extend to temporal bone
- Can cause CSF or blood leak from the nose
- Battles sign
- Racoon eyes
- If CSF is leaking, risk for infection is high
Battle’s signis
is bruising behind the ear that indicates a Basilar skull fracture. mastoid ecchymosi
Periorbital ecchymosis
racoon eyes
Open head injury
Opening through skull and dura
- Injury breaks the dura and exposes the cranial contents to the environment
- Causes primarily focal injuries