Neuro Exam for Geriatrics Flashcards
The number of adults older than 85
/
What anatomical changes occur?
eyes
What causes sunken eyeballs?
fat atrophy
Decreased tearing may lead to ?
dry eyes
decreased corneal luster
What happens to pupils as age increases?
pupils decrease in size and may become irregular
-still respond to light and near effort but exam of the ocular fundi become difficult
When does visual acuity remain constant?
20-50 yo
and then starts to diminish gradually until age 70
Near vision begins to decrease at age ?
40 years
presbyopia
What happens to lenses?
- lose elasticity gradually
- less able to accommodate and focus
- lens thickens and yellows which impairs the passage of light to retina
What are the cataract ratios for people in their 60s? 80s?
60 - 1 in 10
80 - 1 in 3
Lens growth increases the risk of what?
narrow angle glaucoma
How does hearing acuity change over time?
decreases with age
Which sounds are lost with Presbycusis?
consonants
How is the nose, salivary glands and tongue affected with age?
- decreased salivary secretions
- decreased sense of taste
- olfaction decreases with age
- increased sensitivity to bitterness and saltiness
How is hearing changed over time?
- high pitched sounds start to decrease
- hearing loss in the middle and lower ranges can cause word distortion, especially in noisy environments
What changes happen in mental status?
memory loss - usually “benign forgetfulness”
What is an MMSE?
mini mental status exam - help Alzheimer’s disease
How would you determine depression versus dementia/delirium?
decreases levels of serotonin etc.
What vitamins are decreased in alcoholics?
Thiamine
Niacin
What can cause delirium or change in personality?
dehydration
UTI
What is Alzheimer’s disease characterized by?
cerebral atrophy
-
Motor and Sensory system
- move and react with less speed and agility
- skeletal muscles decrease in builk
- hands look thin and bondy secondary to atrophy of interosseous muscle
- muscle strength may be diminished
What types of tremors may appear?
action tremor - occurs when the affected part is actively maintaining a posture
- bilateral and symmetric
- diminished by alcohol
Where is vibration sense decreased or lost?
feet and ankles
What do you inspect for in the eyes?
- senile ptosis
- sclera
- arcus sinilis - cholesterol
- visual acuity
- presbyopia