Autonomic drugs Flashcards
Alpha-1 receptors
1) Gq
2) Vascular contraction, mydriasis, intestinal and bladder sphincter contraction
Alpha-2 receptors
1) Gi
2) Decreased insulin secretion, decreased lipolysis and increased platelet aggregation
Beta-1
1) Gs
2) Increased HR, contractility, increased renin, increased lipolysis
Beta-2
1) Gs
2) Increased HR, contractility, increased lipolysis, increased insulin release, decreased uterine tone, ciliary muscle relaxation, increased aqueous humor
Bethanechol
1) Cholinomimetic, resistance to AChE
2) Postoperative ileus, neurogenic ileus and urinary retention
Carbachol
1) Cholinomimetic
2) Glaucoma
Pilocarpine
1) Cholinomimetic
2) Sweat, tears, saliva
3) Glaucoma
Edrophonium
1) Increases endogenous ACh
2) Diagnosis MG
Donepezil
1) Increases endogenous ACh
2) Alzheimer’s
Scopolamine
1) Anti-muscarinic
2) Motion sickness
Oxybutynin
1) Anti-muscarinic
2) Reduces bladder spasm
Glycopyrrolate
1) Anti-muscarinic
2) Post operatively used to reduce secretions
3) Drooling, peptic ulcer
Isoproterenol
1) Beta-selective sympathomimetic
2) Torsades, bradyarrhythmias (can worsen ischemia)
Dobutamine
1) Beta-1 selective sympathomimetic
2) Heart failure, stress test
Phenylephrine
1) Alpha selective sympathomimetic
2) Decongestant