A&P
What 2 parts is the nervous system divided into
Central and peripheral
Name all the head injuries
Linear, basilar, depressed, scalp lac, opened
What are the 2 categories of tbi
Primary- injury to brain
Secondary- indirect injury causes on pg 988
Name the types of intracranial hemorrhage
Epidural. Subdural, intracrrebral, subarachnoid
Should external bleeding be assessed before abc?
Yes pg 993
What makes up the peripheral nervous system
Conducts sensory and motor impulses from the skin and other organs to the spinal cord
Opened & closed
What is a tbi
Traumatic insult to the brain capable of producing physical intellectual, emotional, social, and vocational changes
Where does subdural hematoma happen
Beneath dura mater on the outside of the brain
What does the classic star mean on a windshield
Possibility of head injury
What does the central nervous system do
Controls the body
Opened skull fractures
When brain is exposed,
What is the coup-contrecoup injury
Where does epidural bleed happen
Between skull and dura mater
What is the GCS scale
Page 998
What is CSF, purpose of it, and how much is in the body at 1time
Cerebral spinal fluid, shock absorber, 125 to 150ml
What kind of skull fractures are there and their signs /symptoms
Basilar- csf in blood from the ears, raccoon eyes, battle signs
Depressed skull fracture- loss of consciousness
Linear- only life threatening when they r opened, only dx by radiographs
What is cerebral edema and how do u treat it
Swelling in the brain, high flow o2
Where does subarachnoid hemorrhage happen
In the subarachnoid place where CSF circulates
Sudden onset of headache including vomiting, change in pupils, seizures
Should u always spinal immobilize a pt?
No
Cerebrum-75% of brain and controls most voluntary motor function and conscious thought
Cerebellum- coordinates balance and body movements
Brain stem- controls virtually all the function necessary for life
List the reasons for each skull fracture happens
Linear- normal head injury occurrence
Depressed- direct contact with blunt object
Basilar- high energy impact but usually mva, falls
What is icp and the signs/symptoms
Intracranial presuure
High bp, slow heart rot, irregular resp
Know biots resp, Cheyenne stoke resp
Intracerebral hematoma happens where
In the brain tissue itself
Names the times when you should expect a head injury
Page 992