Term
S/E of Conventional Antipsychotics & related nsg int:
List S&S of anticholinergic toxicty: |
|
Definition
- dry mucous membranes
- reduced or absent peristalsis
- mydriasis
- nonreactive pupils
- hot,dry, red skin
- hyperpyrexia w/out diaphoresis
- tachycardia
- agitation
- unstable vs
- worsening of psychotic symptoms
- delirium
- urinary tetention
- seizure
- repetitive motor movement
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the event of anticholinergic toxicity: |
|
Definition
- Potentially life-threatening medical emergency:
- consult prescriber immediately
- hold all meds
- implement emergency cooling meausres as ordered (cooling blanket, alcohol, or ice bath)
- implement urinary catheterization prn
- admin. benzodiazepines or other prn sedation as ordered
- physostigmine may be ordered
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
S&S of pseudoparkinsonism: |
|
Definition
- masklike facies
- stiff & stooped posture
- shuffling gait
- drooling
- tremor
- "pill-rolling" phenomenon
Onset: 5 hours - 30 days
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the event of pseudoparkinsonism: |
|
Definition
- admin. prn antiparkinsonian agent (e.g., trihexyphenidyl or benztropine)
- if tolerable, consult prescriber regarding med change
- provide towel or handkerchief to wipe excess saliva
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the even of acute dystonic reactions (also opisthotonos, oculogyric crisis, laryngeal dystonia) |
|
Definition
- admin. antiparkinsonian agent
- consider diphenhydramine hydrochloride (Benadryl) 25-50mg IM/IV
- relief usually occurs in 5-15 mins.
- prevent further dystonias w/antiparkinsonian agent
- experience can be frightening, pt may fear choking
- accompany to quiet area; provide comfort/support
- assist pt to understand event & avert distortion or mistrust of medications
- monitor airway
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the even of akathisia (motor inner-driven restlessness, i.e., tapping foot incessantly, rocking forward & backward in chair, shifting wt from side to side) |
|
Definition
- consult prescriber re: possible med change. Give antiparkinsonian agent.
- tolerance to akathisia does not develop, but akathisia disappears when neuroleptic is d/c'd
- propranolol (Inderal), lorazepan (Ativan), or diazepam (Valium) may be used
- in severe cases, may cause great distress & contribute to suicidality
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the event of TD: |
|
Definition
- no known tx
- d/c'ing drug rarely relieves symptoms
- possibly 20% of pts taking these drugs for >2 yrs may develop TD
- encourage pt to be screened for TD q3months
- onset may merit reconsideration of meds
- changes in appearance may contribute to stigmatizing response
- teach pt actions to conceal involuntary mvmts (purposeful muscle contraction overrides involuntary tardive movements)
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the event of hypotension & postural hypotension: |
|
Definition
- check bp before giving agent
- systolic pressure of 80 mm Hg when standing is indication not to give current dose
- advist pt to arise slowly to prevent dizziness & hold onto railing/furniture while arising to reduce falls
- effect usually subsides when drug is stabilized in 1 - 2 weeks
- elastic bandages may prevent pooling
- if condition is dangerous, counsult MD re: med change, volume expanders, or pressure agents
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX for tachycardia: |
|
Definition
- always evaluate pts with existing cardiac problems before antipsychotic drugs are administered
- Haloperidol (Haldol) is usually the preferred drug because of its low ACh effects
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX in the event of agranulocytosis: |
|
Definition
Onset: 1st 12 weeks of therapy; occurs suddenly
potentially dangerous blood dyscrasia
- blood work usually done every wk for 6 mon., then every 2 mon.
- MD may order blood work to determine presence of leukopenia or agranulocytosis
- If positive test: drug is dc'd, reverse isolation may be initiated
- Mortality is high if the drug is not ceased & if tx is not initiated
- teach pt to observe for signs of infection
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
Signs & symptoms of agranulocytosis: |
|
Definition
symptoms include:
- sore throat
- fever
- malaise
- mouth sores
rare occurrence, but nurse should be aware of possibility; any flulike symptoms should be carefully evaluated |
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX for cholestatic jaundice (rare, reversible, usually benign if caught in time; prodromal s&s are fever, malaise, nausea, & abd pain; jaundice appears 1 wk later) |
|
Definition
- consult MD re: possible med change
- bed rest & high-protein, high-carb diet if ordered
- LFTs should be performed q6months
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
TX for Neuroleptic Malignant Syndrome (NMS): |
|
Definition
rare, potentially fatal, acute/medical emergency
- stop neuroleptic
- transfer STAT to medical unit
- Bromocriptine (Parlodel) can relieve muscle rigidity & reduce fever
- Dantrolene (Dantrium) may reduce muscle spasms
- Cool body to reduce fever (cooling blankets, alcohol, cool water or ice bath as ordered)
- Maintain hydration w/oral & IV fluids; correct electrolyte imbalance
- arrhythmias should be treated
- small doses of heparin may decrease possibility of pulmonary emboli
- early detection increases pt's chance of survival
|
|
|
Term
S/E of Conventional Antipsychotics & related nsg int:
S&S of Neuroleptic Malignant Syndrom (NMS): |
|
Definition
Severe extrapyramidal: severe muscle rigidity, oculogyric crisis, dysphasia, flexor-extensor posturing, cogwheeling
Hyperpyrexia: Temp over 103 F or 39 C
Autonomic dysfunction:hypertension, tachycardia, diaphoresis, incontinence
Delirium, stupor, coma
Onset: variable, progresses rapidly over 2-3 days
Risk Factors: Concomitant use of psychotropics, older age, female, presence of a mood disorder, and rapid dose titration (increase) |
|
|