Autonomics Flashcards
Blocks ACh synthesis(choline acetyltransferase)
Hemicholium
Blocks storge of ACh
Vesamicol
Alter synaptobrevins to prevent release of Ach
Botulinum
Indirect acting cholinomimetics
Neostigmine, carbamates, organophosphates
Direct acting cholinomimetics include:
Betanechol, pilocarpine, nicotine
For bowel and bladder atony
Bethanechol( BBB)
Glaucoma, sjogren syndrome, sicca syndrome
Pilocarpine
Activates M3 receptors in ciliary muscles and salivary glands
Pilocarpine
Xerostomia, xerophthalmia, rheumatoid arthritis
Sjogren syndrome
Activates nicotinic Ach receptors
Nicotine/ varenicline
Used for smoking cessation
Varenecline
Mushroom poisoning
Inocybe and amanita muscaria
Indirect acting cholinomimetics
edrophonium, neostigmine, rivastigmine
Diagnosis of MG(Tensilon Test), cholinergic crisis vs myasthenic crisis
Endrophonium
Managment of MG, oglilvie syndrome, glaucoma
Neostigmine
Muscarinic effects of neostigmine is blocked by this drug
Atropine
Indirect acting cholinomimetic used for alzheimer’s
Rivastigmine
Signs and symptoms of organophosphate poisoning
DUMBBELS- diarrhea, urination, miosis, bronchospasm, bradycardia, excitation, lacrimation, sweating, salivation
Competitively blocks all muscarinic receptors
Atropine
Antidote for organophosphate poisoning, bradycardia, hypersalivation, mydriatic, cyclopegic
Atropine
Binds phophorus of organophosphate, breaks organophosphate bond with cholinesterase
Pralidoxime
Cholinoreceptor blockers
Atropine, benztropine,ipratropium, scopolamine
Competitevely blocks all muscarinic receptors , restores neurotransmittet balance in the basal ganglia
Benzotripine/ biperiden
Cholinergic antagonist used for parkinson’s disease
Benztropine/ parkinson’s disease
Muscarinic antagonists for parkinsonism
Try to park your benz, bip here ( muscarinic antagonist for parkinsonism)
Asthma, copd
Ipratropium
Competitively blocks all muscarinic receptors, antagonizes histamine and serotonin
Scoplamine
Used in motion sickness
Scopolamine