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Module 10 Altered Mental States (Parkinson's Disease…
Module 10 Altered Mental States
Alzheimer's Disease
Beta amyloid plaques
Neurofibrillary tangles
Shrunken cortex & hippocampus
Enlarged ventricles
Huntington's Disease
Autosomal dominant (Chromosome 4) - CAG repeats
Degeneration of GABA neurons
Chorea/Athetosis
Dementia
Speech/balance/swallowing problems
Seizures
Generalized
Tonic-Clonic
Post-ictal period
Musculature stiffens
ALOC
Both brain hemispheres
Absence
Both brain hemispheres
"daydreaming"
unaware during seizure
10-20 seconds
often in children
petit mal
Partial
Simple
Begins in 1 hemisphere
no longer that 1-2 min
loses consciousness
Complex
Preceded by:
Aura
Deja vu
Jamais vu
No response/awareness
Automatism
Begins in 1 hemisphere
Wernicke-Korsakoff Syndrome
Confabulations ("make up" memories)
Korsakoff syndrome
Anterograde amnesia
Thiamine (B1) defficiency
Wernike's encephalopathy
ataxia
Dementia
Occular disturbances
Parkinson's Disease
bradykinesia/akinesia
"pill rolling"
L-dopa (avoid N/V in PNS)
Low dopamine
shuffling gait
muscle rigidity
pacemaker for the brain
