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Nursing Pharmacology Ch 20 Cholinergic Drugs
Terms in this set (17)
What are the cardiovascular DRUG EFFECTS for Cholinergic drugs?
What are the respiratory DRUG EFFECTS for Cholinergic drugs?
Regarding cholinergics, at recommended doses, they primarily effect which receptors? But at high doses what do they stimulate?
The nurse is assessing a patient on cholinergics for 3 days. Patients has flushed skin, orthostatic blood pressure changes, and is complaining of abdominal cramps and nausea. the nurse recognizes that patient is most likely experiencing what?
early signs of cholinergic poisoning
The direct-acting cholinergics are useful for what conditions? two things are listed.
1-EYES: reducing intraocular pressure, glaucoma and intraocular surgery
2-BLADDER: also with bethanechol used for increased tone and motility of bladder and GI tract as well as relaxing sphincters in bladder/GI tract allowing them to empty, post surgical atony of bladder/GI tract
Direct-acting cholinergic drug Bethanechol is used for what and what dose forms does it come in?
Bladder incontinence, oral and subcutaneous
what drugs cholinergic drugs are used for the eye? There are 3 drugs listed.
What do the indirect-acting cholinergic drugs do and what are they used for?
1-cause skeletal muscle contractions
2-used for diagnosis and treatment of myasthenia gravis
3-used to reverse neuromuscular blocking drugs
4-used to reverse anti-cholinergic poisoning.
What cholinergic drugs are used to reverse anticholinergic poisoning? 2 are listed. these drugs are cholinergic:)
what are the indirect acting anti cholinesterase drugs and what do they treat?
4-Mild to moderate Alzheimers
what is the other drug used to treat Alzheimers that is NOT a cholinergic drug?
What are the ADVERSE EFFECTS of cholinergic drugs? Cardiovascular, CNS, GI, Respiratory, and other?
Cardio-sinus brady, hypotension, sycope, conduction abnormalities
CNS-headache, dizziness, convulsions, ataxia
GI-abdominal cramps, increased secretions, nausea, vomiting
Respiratory-increased bronchial secretions, bronchospasms
Other-lacrimation, sweating, salivation, miosis
What drugs interact with cholinergic drugs?
1-anticholinergics, antihistamines, sympathomimetics (these antagonize cholinergic drugs, resulting in decreased response)
2-Other cholinergic drugs have addictive effect
What is Ginkgo used for? 3 things listed.
memory loss, vertigo, tinnitus
Name 3 potential side effects of Ginkgo? What are 4 potential drug interactions?
1-GI upset, headache, bleeding
2-aspirin, NSAIDS, anticoagulants, anticonvulsants
Nursing Implications for Cholinergic drugs:
-note these drugs stimulate PSNS and mimic ACH action.
-assess for allergies, GI/GU obstructions, asthma, PUD, coronary artery disease
-baseline assessment of vital signs and system overview
-tell patient to take meds as ordered
-tell patient to spread doses evenly apart
-overdosing can be life threatening
-encourage patients with myasthenia gravis to take meds 30 minutes before eating to help with chewing and swallowing.
-theraputic effects of anti-alzheimers drugs take up to 6 weeks.
-monitor for therapeutic effects: alleviated signs and symptoms of myasthenia gravis, and in post operative patients with decreased GI peristalsis, monitor for increased bowel sounds, passage of flatus, occurrence of bowel movements
-Monitor for therapeutic effects: URINARY RETENTION/HYPOTONIC BLADDER--unination should occur within 60 minutes of bethanechol administration.
-Monitor for therapeutic effects for Alzheimers
What is the antidote for cholinergic poisoning?
atropine and should be available in patients room
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