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What is the key to coma?
damage to Reticular Activating System
What is the brainstem surrounded by?
What are signs of a coma?
- Abnormalities in
- pupillary (midbrain)
- breathing (difference between midbrain, pons, medulla damage)
- BAEP (intact brainstem fxn)
- test cranial nerves
T/F Coma occurs only on one side of the brain
FALSE: both hemispheres
If a patient is in a coma with abnormal posturing (arm's in)..what is that called?
- decerebrate (arms stiff and extended)
What type of damage to the brain stem can be fatal and lead to a deadly coma?
Brain Stem Hemmorhage (HBP)
Name the 5 assessments for a Mental Status Exam
- Exec. Fxn
How can you test for Attn?
observe patient and how they orient themselves
How can you test memory?
- verbal/nonverbal memory
- *retrograde amnesia
- *Anterograde amnesia
- Mem. encoding netowrk is damaged
How can you test language?
fluency, naming, repitition, reading
If a patient has no lexicon and sentence structure, where is the damage? What is this damage called?
- left temporal parietal
- fluent aphasia
How can you test visuospatial percept? Where would the damage be?
copy design -- R. Hemi
If a patient has damage in the R. Hemi and cannot copy a design..what condition would the patient have?
Graphethesia--exam) can recognize writing on skin (tactile)
How can you test for exec. fxn?
- frontal release signs
- sequential motor ability
- delayed alteration
Which cranial nerve has bilateral projections?