Care of Aging Adult II part 5 Flashcards
What are the side effects and the reason anticholinergic medications can be inappropriate for adult use?
Side effects: blurred vision confusion tachycardia urinary retention constipation can complicate pre-existing conditions
If a medication says XL or LA what does this mean?
it must be swallowed whole and never crushed or broken in half
What are some ways to decrease side effects of OAB medication (oxybutynin and tolterodine)?
- use long acting medications
- meds that do not cross BBB
- selective drug therapy
What are some ways to minimize adverse effects of anticholinergic medications (OAB).
- xerostomia (dry mouth): sipping fluids, sugar-free gum, saliva substitute, alcohol free mouth wash.
- Blurred vision: avoid hazardous activities
- photophobia: sunglasses
- urinary retention: void before taking anticholinergic’s
- constipation: increase fiber and fluids, laxative if severe
- hyperthermia: avoid vigorous exercise in warm climate
- tachycardia: monitor pulse
What medications can anticholinergics have an adverse reaction to?
antihistamines
tricyclic antidepressants
phenothiazines
Explain acute toxicity to medications?
- hallucinations and delirium
- skin becomes hot, dry, and flushed
- differentiate muscarinic antagonist poisoning from psychosis
- Tx: limit absorption (charcoal)
Define diarrhea
-increased frequency of >3 per day
-liquid consistency
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Define acute, persistent, and chronic diarrhea.
- acute < 14 days
- persistent > 14 days
- chronic > 30 days
What is the primary cause of diarrhea?
ingestion of an organism
What is the pathophysiology of diarrhea?
viral bacterial laxative misuse medications food intolerance
How can C.diff be treated?
- lactobacillus for prevention
- Tx: oral vancomycin or fidaxomicin, Metronidazole option if unable to tolerate Vancomycin, fecal microbiota transplantation
Clinical manifestations Upper GI
- large volume watery stools, cramping, peri-umbilical pain
- possible fever
- nausea/ vomiting
Clinical manifestations Lower GI.
- fever, bloody diarrhea - small volume
- luekocytes, blood, and mucus may be present in stool
- stool cultures
Physiologic manifestations of diarrhea.
- lethargy, sunken eyeballs, fever, malnutrition
- pallor, dry mucous membranes, poor skin turgor, perianal irritation
- soft to liquid stools
- abdominal distention
- hyperactive bowel sounds, pus, blood, mucus, or fat in stools, fecal impaction
- decreased output, concentrated urine
What are some complications of diarrhea?
- dehydration: esp. in older adult
- electrolyte abnormalities: low potassium, low bicarbonate
- skin care issues: irritant dermatitis