Cholinergic Agonists and Antagonists Flashcards
What is the MOA of nicotine?
activation of neuronal nicotinic receptors
What is the MOA of succinylcholine?
depolarizing block of muscle nicotinic receptors
What is the MOA of acetylcholine?
nicotinic and muscarinic agonist
What is the MOA of methacholine?
muscarinic agonist
What is the MOA of carbachol?
nicotinic and muscarinic agonist
What is the MOA of bethanechol?
muscarinic agonist
What is the MOA of pilocarpine?
muscarinic agonist
What is the MOA of neostigmine?
AChE inhibitor
What is the MOA of edrophonium?
AChE inhibitor
What is the MOA of physostigmine?
reversible AChE inhibitor
What is the MOA of donepezil?
reversible AChE inhibitor
What is the MOA of pralidoxime?
peripheral AChE reactivator
What is the MOA of echothiophate?
irreversible AChE inhibitor
What is the MOA of atropine?
muscarinic antagonist
What is the MOA of scopolamine?
muscarinic antagonist
What is the MOA of glycopyrrolate?
muscarinic receptor antagonist
What is the indication for nicotine?
withdrawal symptoms of smoking cessation
What is the indication for succinylcholine?
neuromuscular block for electroconvulsive shock therapy or emergency intubation
What is the indication for acetylcoline?
none
What is the indication for methacholine?
diagnosis of subclinical asthma or test for severity of asthma
What is the indication for carbachol?
miotic agent in ocular surgery to reduce pressure following ocular surgery
What is the indication for bethanechol?
urinary retention, bladder atony
What is the indication for pilocarpine?
dry mouth from head and neck radiation or Sjogren’s syndrome; narrow angle glaucoma
What is the indication for neostigmine?
myasthenia gravis, reversal of neuromuscular block
What is the indication for edrophonium?
diagnosis of myasthenia gravis, reversal of neuromuscular block
What is the indication for physostigmine?
delirium from anticholinergic drugs, glaucoma
What is the indication for denopezil?
diagnosis of Alzheimer’s
What is the indication for pralidoxime?
respiratory muscle weakness in organophosphate poisoning
What is the indication for echothiophate?
open angle glaucoma
What is the indication for atropine?
excess secretions during surgery, increased frequency and urgency associated w/ cystitis, hypertonic gut, organophosphate poisoning, bradycardia
What is the indication for scopolamine?
motion sickness, anti-salilagogue in surgery
What is the indication for glycopyrrolate?
protects against excessive muscarinic activation during reversal of neuromuscular blockade, anti-salilagogue
What is the HL of acetylcholine? How is it eliminated?
~150 msec; AChE
How is succinylcholine broken down?
butyrl cholinesterase
What is the HL of pilocarpine?
~1 hr
What is the HL of edrophonium?
~10 mins
What is the HL of pralidoxime?
~75 mins
What is the HL of echothiophate?
not exactly known, but very long