Term
What are the physiologic changes associated with geriatrics? |
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Definition
DECREASED EVERYTHING! except therapeutic effect in increased because they cannot metabolize the drug as well |
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Term
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Definition
The prescription, administration, or use of more medications than clinically indicated in a given patient |
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Term
How are pharmacokinetics effected? |
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Definition
-Decrease in absorption -Decreased protein in blood, so more free drug available for distribution. -Decrease in metabolism of the drugs due to decrease in hepatic enzyme production which can lead to toxicity because of increased half life -Decreased excretion because decreased renal blood flow. Drug toxicity |
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Term
What drugs are not recommended for use in older clients? |
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Definition
-Analgesics except Morphine -Tricyclic Antidepressants use SSRI's instead -1st generation antihistamines use 2nd instead -Antispasmodics -Muscle relaxants -Sedatives use short acting benzos instead - |
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Term
What hypnotics are approved for geriatrics? |
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Definition
Low doses of benzodiazepines with short or intermediate half lives. |
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Term
What hypnotic should geriatrics avoid? |
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Definition
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Term
What hyptnoics are recommended for older adults? |
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Definition
-Temazepam (Restoril) -Triazolam (Halicon) -Estazolam |
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Term
What diuretics and hypertensives are approved for older adults? |
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Definition
CCB, ACE inhibitors, A II blockers
Reduced dose of hydrochlorothiazide.
Higher dose can cause electrolyte imbalance |
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Term
What happens to half life of cardiac glycoside Digoxin in older adults? |
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Definition
Half life is increased to 70 hours. |
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Term
What is important to note about Warfarin in old people? |
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Definition
Drug ia 99% protein bound and old people have less serum protein so there is an increased bleeding risk for older adults |
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Term
What is antibacterials are safe for old people? |
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Definition
-Penicillins -Cephalosporins -Tetracyclines -Sulfanomides
Adjust dose based on renal fxn and the half-life of each drug |
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Term
What GI drugs are safe for older adults with peptic ulcers? |
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Definition
-Histamine (H2) blockers -Sucralfate
Tagament is NOT suggested for older people |
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Term
What GI drugs are safe for older adults with constipation? |
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Definition
Laxatives are safe but should not be overused in fear of electrolyte and fluid imbalance |
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Term
How is the dose of antidepressants changed for older adutls? |
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Definition
30%-50% of what a normal dosage is |
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Term
What antidepressants are safe for old people? |
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Definition
-Tricyclic but they do cause anticholinergic effects - Fluoxetine (Prozac)
NO MAOIS |
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Term
What is considered with old people and narcotic analgesics? |
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Definition
-Dose related adverse rxns -Hypotension and respiratory depression may occur |
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Term
What does A.C.C.E.P.T. stand for? |
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Definition
A - Accepts phyiscal chagnes C - Conducts a life review C - Confusion that is ACUTE may be indicative of med rxn, infection, fluid and electrolyte imbalance E - Ego integrity vs. despair P - prep for death T - the past time is spent reminiscing over life |
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Term
What is G.E.R.I.A.T.R.I.C stand for? |
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Definition
G - gerontology organized around FANCAPES E - eval for abuse/anxiety R - risk for falls I - interdisciplinary collaboration A - assess skin integrity, plan to prevent breakdown T - teach fam and client R - Report (SBAR) I - impact of infection, fluid and electrolyte imbalance etc. C - Confusion (acute) present |
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Term
What does FANCAPES stand for? |
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Definition
F - Fluid A - Aeration N - Nutrition C - Communication/Cognition A - Activity/Ability P - Pain/Polypharmacy E - Elimination S - Skin/Spirituality/Social Support/Sleep |
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Term
What are special considerations when teaching geriatrics? |
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Definition
-senses need to be as sharp as possible +clean glasses +fxn hearing aids in place -Speak in tones they can hear -Face them -Treat w/ respect -Use large print and bright colors -Rvw meds each visit -Encourage a schedule -W/ confusion, suspect medications -Encourage to report if new drug is not improving condition -Avoid elder speak |
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Term
What are common causes for med errors in the elderly? |
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Definition
Poor eyesight, forgetfulness, OTC drug use, using other RX meds, lack of financial resources, lack of understanding of importance of med, failure to understand instructions, refusal to take med because of side effects |
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Term
How many medications does a 70 y.o take on average? |
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Definition
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Term
How many meds do 85+ take? |
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Definition
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Term
T or F? FREQUENCY OF ADVERSE DRUG REACTIONS INCREASES AS THE NUMBER OF RX DRUGS INCREASES |
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Definition
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Term
What is essential in education of medication compliance? |
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Definition
-Emphasize meds are essential -Attempt to reduce meds that are not essential -Screen med use using a standard assessment tool -Assess alcohol use -Encourage the use of written med reminder systems/med planners -Monitor drug dosage strength (elderly -Encourage the use of one pharmacy -Work with health care providers and pharmacy to establish routine drug profiles on all older adult patients -Advocate for low income Rxs prescription plans |
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Term
What is the pathology of parkinson's disease? |
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Definition
Chronic neurologic disorder Degeneration of dopaminergic neurons Imbalance of the neurotransmitters Less dopamine Too much acetylcholine |
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Term
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Definition
an inhibitory neurotransmitter |
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Term
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Definition
an excitatory neurotransmitter |
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Term
What does dopamine normally do? What's different in parkinson's |
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Definition
normally maintains control of acetylcholine and inhibits its excitatory response. There is a degeneration of dopamine neurons so there is an imbalance between the 2. |
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Term
What happens with less dopamine? |
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Definition
acetylcholine is unopposed, causing excitation and stimulation of neurons that release gamma-aminobutyric acid (GABA). |
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Term
What happens with more GABA? |
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Definition
symptomatic movement disorders occur. |
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Term
What are the risk factors for parkinson's disease? |
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Definition
Over 60 Male Family history of PD Exposure to environmental toxins Caucasian Head trauma |
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Term
What are the 4 main MOTOR symptoms of Parkinson's? |
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Definition
-Shaking/tremor at rest -Slowness of movement (bradykinesia) -Stiffness or rigidity of the arms/legs/trunk -Trouble w/ balance and falls |
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Term
How is Parkinson's diagnosed? |
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Definition
-Detailed H&P -Detailed history or current and past meds -Neurological exam that assesses the agility of arms, legs, muscle tone, gait and balance. -United Parkinson's Disease Rating Scale |
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Term
What is the #1 way to diagnose Parkinson's? |
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Definition
Response to medications that imitate or stimulate the production of Dopamine |
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Term
What drugs treat parkinson's? |
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Definition
-Anticholinergics -Dopaminergics -Dopamine agonists -MAO-B inhbitiors -COMT inhibitors |
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Term
How do anticholinergics treat Parkinson's? |
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Definition
-Block cholinergic receptors -Takes competition AWAY |
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Term
How do dopaminergics treat Parkinson's? |
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Definition
-Convert to dopamine -Carbidopa/Levodopa (Sinemet)
-CARBIDOPA is the CAR that delivers Levadopa |
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Term
How do dopamine agonsists treat Parkinson's? |
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Definition
Stimulate dopamine receptors |
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Term
How do MAO-B inhibitors treat Parkinson's? |
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Definition
Inhibit MAO-B enzyme that interferes with dopamine |
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Term
How do COMT inhibitors treat Parkinson's? |
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Definition
Inhibit COMT enzyme that inactivates dopamine |
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Term
What is the action of Carbidopa-Levodopa? |
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Definition
converted to dopamine Increases mobility |
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Term
What is the half-life of C-L? What does that mean? |
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Definition
Short half life so it must be taken 3-4 hours a day. |
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Term
What are the side effects of C-L (Sinemet)? Dopaminergic |
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Definition
Fatigue, insomnia Dry mouth Blurred vision Orthostatic hypotension, palpitations, dysrhythmias Urinary retention Nausea, vomiting Dyskinesia, psychosis, severe depression |
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Term
Are dopaminergics anticholinergic? |
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Definition
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Term
How do anticholinergics treat Parkinson's? |
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Definition
They are parasympatholytics that inhibit the release of acetylcholine. They are said to treat drug-induced parkinsonism (pseudoparkinsonism). |
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Term
What is the action of Trihexyphenidyl HCl (Artane)? |
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Definition
inhibit release of acetylcholine |
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Term
What is the therapeutic effect of Trihexyphenidyl HCl (Artane)? |
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Definition
Decrease tremors and rigidity |
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Term
What is another parasympatholytic? |
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Definition
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Term
What nursing interventions are r/t anticholinergics? |
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Definition
Monitor vital signs for increased heart rate Monitor urine output for early detection of urinary retention. Increase fluid intake (not in CHF), fiber, and exercise to avoid constipation. Observe for involuntary movements. Advise client to avoid alcohol, cigarettes, caffeine, and aspirin to decrease gastric acidity. Encourage client to relieve dry mouth with ice chips, hard candy, or sugarless chewing gum. Suggest use of sunglasses for photophobia. |
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Term
What are the drug interactions r/t Carbidopa-Levodopa (Sinemet)? DOPAMINERGIC |
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Definition
Decreased effect w/: Anticholinergics Phenytoin Tricyclic antidepressants MAO inhibitors Benzodiazepines Phenothiazines Vitamin B6 |
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Term
What does PARK DARK stand for? |
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Definition
P - Pill rolling A - About to fall R - Rigidity K - Kan't swallow (Drool) D - Dopamine/L-Dopa/Sinemet A - Artane - Improves Rigidity R - Restrict Coffee K - Keep tremors down with antihistamines |
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Term
What is the pathopysiology of Alzheimer's disease? |
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Definition
Neuritic plaques form Neurofibrillary tangles are in neurons outside neurons and in cerebral cortex. Cholinergic neurotransmitter abnormality |
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Term
What is Alzheimer's a deficiency of? |
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Definition
Degeneration of cholinergic neuron and deficiency of acetylcholine |
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Term
Which gender is more affected by Alzheimer's? |
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Definition
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Term
What are the risk factors for Alzheimer's? |
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Definition
-Age -Genetics -Fam History |
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Term
What can prevent Alzheimer's? |
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Definition
-Head trauma -What's good for your heart is good for your head |
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Term
What are the symptoms of Alzheimer's? |
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Definition
Memory loss that disrupts daily Challenges in planning or solving problems Difficulty completing familiar tasks Confusion with time or place Trouble understanding visual images and spatial relationships New problems with words in speaking or writing Misplacing things and losing the ability to retrace steps Decreased or poor judgment Withdrawal from work or social activities Changes in mood and personality |
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Term
What is the Slow House of Alzheimer's? |
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Definition
-Lost and Wandering -Safety and Confinement -Confusion and Decision Difficulty -Incontinence |
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Term
What are the characteristics of Alzheimer's? |
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Definition
Loss of memory, logical thinking, judgment Time disorientation Personality changes Hyperactivity Tendency to wander Inability to express oneself Later hostility, paranoia |
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Term
How is Alzheimer's diagnosed? |
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Definition
-Thorough medical history -Mental status testing -Physical and neurological exam -Tests to rule out other causes of dementia-like symptoms |
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Term
What are the 2 FDA approved drugs to treat Alzheimer's? |
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Definition
-Cholinesterase Inhibitors (ARICEPT, COGNEX) -Memantine (Namenda) |
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Term
How to the cholinesterase inhibitors work? |
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Definition
Breaks down and blocks ACh |
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Term
What does Memenda (Namenda) treat? |
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Definition
to treat the cognitive symptoms (memory loss, confusion, and problems with thinking and reasoning) of Alzheimer's disease. |
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Term
What is non-FDA approved treatment of Alzheimer's? |
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Definition
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Term
What is the drug action of Donepril (Aricept)? Acetylcholinesterase Inhibitors |
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Definition
Allow more acetylcholine in neuron receptors |
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Term
What is the therapeutic effect of Donepril (Aricept)? |
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Definition
Increase cognitive function |
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Term
What is Donepril (Aricept) used for? |
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Definition
Mild-moderate alzheimer's |
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Term
What are the side effects of Donepril (Aricept)? Acetylcholinesterase Inhibitors |
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Definition
Headache, dizziness Depression GI distress Dehydration, dry mouth, constipation Blurred vision Insomnia Hypertension, hypotension, dysrhythmias Hepatotoxicity |
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Term
What are the nursing interventions r/t acetylcholinesterase inhibitors? |
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Definition
Nursing interventions Monitor vital signs. Maintain consistency in care. Monitor behavioral changes. Safety Provide safety when wandering. Arise slowly to avoid dizziness. Monitor for GI bleeding. Inform family of support groups. |
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Term
Summary of pathophys of Parkinson: |
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Definition
Not enough dopamine Too much AcH Shaking, pill rolling, shuffling gait, flat affect Carbadopa-Levadopa |
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Term
Summary of pathophys of Alzheimer's: |
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Definition
Not enough AcH Memory, cognitive impairment Namenda, Exelon, Aricept etc. |
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Term
What laboratory values may be altered in a client who is taking carbidopa/levodopa? |
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Definition
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Term
Which comment to the nurse indicates more teaching is needed for a client taking carbidopa/levodopa? |
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Definition
A. “I know I need to take this drug once a day.”
Drug has a short half-life and must be taken 3-4 times a day. |
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