Head And Spinal Injury Flashcards
The nervous system
Brain & spinal cord
Nerves that enter and exit to various parts of body
Overall control of thoughts
Sensations
Motor functions
What is the skull made up of?
Cranium and facial bones
Spinal column
33 vertebra
23inch long
7 cervical
12 thoracic
5 lumbar
5 saccral
4 coccygeal
Peripheral nervous system
Nerves
Network of motor and sensory nerves connecting cns to rest if body
Central nervous system
Brain & spinal cord
Controls all basic body functions and responds to external changes
It’s layer of spinal cord is called?
Meninges
Tough fibrous membranes
Mandible
Lower jaw
Maxillae
Upper jaw
Cranium
Forehead
Top back upper and sides of skull
If bones of cranium are fractured is it open or closed?
Open
If scalp is lacerated but cranium is intact is it open or closed?
Closed
What is a direct brain injury?
Open head injury
Brain being lacerated punctured or bruised
What is an indirect brain injury?
Either open or closed
The shock of impact o. The skull is transferred to the brain
(Concussion & contusions)
What is a concussion?
Mild closed head injury with detectable damage to the brain
What is a brain contusion?
Bruised brain
Force of a blow great enoug ha ti rupture blood vessels
What is a brain hematoma?
Collection of blood in brain
Subdural
Below the dura
Epidural
Above the dura
Intracerebral
In brain
Signs and symptoms of head injury
Confusion
Personality changes (anger)
Amnesia
Unequal pupils
Projectile vomiting
Unconscious
Ear bleed
Deformity of skull
Clear fluid from ear/nose
High BP
Low HR
Irregular breathing
Signs of basal skull fracture?
Bruising behind ears
Raccoon eyes
What are Cheyne stokes?
Really fast deep breathing gets shallowe until no breathing then cycle starts over again
What is decebrate posturing?
Extension
What is decorticate posturing
Flexion