Geriatrics Flashcards
What is Aging?
Gradual and spontaneous change:
Maturation: childhood/puberty/young adulthood
Then decline through middle/late age
What is senescence?
Capacity for cell division, growth, and function is lost over time and ends with death
What senses change?
What change occurs in the mouth?
Senses: Smell and Taste
Mouth: decrease saliva production
What changes occur in the esophagus?
Generally little change:
Decrease UES pressure/relaxation
Decrease amplitude of peristalsis
Longer duration of reflux episodes
*** Know the GI tract in the geriatric patient:
Change in the bowel?
Decline in absorption of Vit D, Zinc, and Ca++
Decrease in anal sphincter pressure (incomplete evac or incontinence)
What changes occur in the pancreas?
- Decrease insulin secretion and sensitivity
- Increase incidence of Diabetes II
What changes occur in the liver with age?
- Delayed regeneration after injury
- Decreased BF and metabolism of drugs
- Decrease in serum albumin binding capacity
- Decrease in LDL extraction from blood
What changes occur in the Gallbladder?
- Decrease bile acid secretion
- Increase phospholipid/cholesterol composition of bile
What types of medications cause constipation?
- Anticholinergics
- Opiates
- Iron
- Ca++ channel blockers
- Ca++ supplements
- NSAIDs
What types of medications cause diarrhea?
- Antibiotics
- Donepezil
- Supplements
- Metformin (she mentioned in class)
What changes in the Kidney of the elderly?
Decrease in:
- weight, mass, and number/size of nephrons
- Glomeruli and GFR
- BF
- Renin/Aldosterone levels
What changes in the urinary bladder?
- Decrease in capacity and contractility
- Increase of uninhibited contractions
- Women: decrease urethral length and sphincter strength
- Men: prostatic hypertrophy
Falls - standard?
IT IS NOT NORMAL TO FALL***
Intrinsic factors contributing to falls?
- Cerebellum
- Cognitive health
- Musculoskeletal system
- Nervous system
Extrinsic factors involved with falls?
What medications can cause falls?
- Antidepressants
- Antipsychotics
- Benzos
- Beta-blockers
*** important
General important causes of weight loss?
Ability to:
- obtain food
- prepare food
- ingest/digest/absorb food
*****
Treatable causes of undesired wt. loss
- Meds
- Emotional probs (depression)
- Anorexia/alcoholism
- Late paranoia
- Swallowing probs
- Oral factors (dentures)
- No money
- Wandering (DIMENTIA)
- Hyper/othyroidism
- Enteric probs
- Eating probs (cant feed oneself)
- Low salt/cholesterol
- Social probs
Meds that cause wt loss
- CV: digoxin
- GI: cimetidine
- Psychiatric
- Anti-ineffectives
- Supplements
- Antineoplastics
- Anti-rheumatics
- Theophylline (pulm)
- Thyroid replacement
Memory loss?
IT IS NOT NORMAL TO HAVE MEMORY LOSS**
What is dementia?
Cognitive and behavior disorder from a chronic disease
****Symptom only***
What is benign senescent memory loss?
Normal decline in cognition with age
Does NOT impact functional status or behavior
What is delirium
Acute (abrupt) confusional state:
Inability to sustain attention and a change in perception with evidence that the disturbance is related to another condition
***** MUST KNOW DIFFERENCES BETWEEN DIMENTIA AND DELIRIUM
Dimentia
- Gradual, chronic, irreversible, no change in attention
Delirium
- Abrupt, acute, reversible, mental status varies drastically and quickly, short attention span