Geriatrics Exam 2 Flashcards
Ependymal cells
CSF cells
Astrocytes
Bring blood to neurons
Oligodendrocytes
Myelinate the neurons
Microglial cells
CNS macrophages - remove waste and heal neurons
Nonfunctioning microglia
Chronic pain
Malfunctioning neurons
ALS
Parkinsons
Stroke
Alzheaimer
Malfunctioning oligodendrocytes
Leukodystrophy
Multiple sclerosis
Neuromyelitis optica
Malfunctioning cerebral blood vessels
Infection
Hepatic encephalopathy
Migraine
Brain edema
Generalized cerebral atrophy
Affects a limited area of the brain - cerebral palsy, Picks disease
Generalized cerebral atrophy
Brain shrinks
3 symptoms of cerebral atrophy
Dementia, Seizures, Aphasia
Leptomeninges
Insulation - Pia, Dura
Key historical information for a cognitive assessment
Duration
Memory
Language
Visuospatial
Executive function
Apraxia
Alzheimer disease
Amyloid plaques and neurofibrillary/tau tangles
Neurons can’t communicate and brain atrophies
Risk factors for alzheimers
Age
Female
Ape e4 gene
Hx of head trauma
Lower educational level
Diabetes
Down syndrome
Classic triad of alzheimers disease
Difficulty learning and recalling information
Visuospatial problems
Language impairment
Usually noticed by friends and family first
Moderate alzheimers
Recalling demographics
Short attention span
Repetitive statements
Trouble reading/writing
Easily lost
Signs of severe alzheimers disease
Weight loss
Incontinence
Increased infections
Absent recognition of familiar individuals
Unable to communicate effectively
Difference between dementia and delerium
Acute - Delerium
Chronic - Dementia
Diagnostics for Alzheimers disease
Clinical diagnosis
Use imaging to rule out other etiologies
Progressive atrophy of brain tissue
First Line Treatment for AD
Acetylcholine esterase inhibitors
Donepezil
Rivastigmine - Transdermal
Galantamine
SE of acetylcholinesterase inhibitors
Nausea, Anorexia, Sleep disturbance, diarrhea
Serious - Bradycardia, AV block, SYncope
NMDA receptor antagonists
Also for alzheimers mod to severe or non-responsive to acetylcholinesterase inhibitors
Reduces destruction of cholinergic neurons
Memantine (Namenda)
SEs of NMDA receptor antagoinists
Dizziness, HA, Confusion , Constipation