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76 Cards in this Set
- Front
- Back
hemocholinium
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blocks choline transport into neuron
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vesamicol
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blocks ACh vesicular storage
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a latrotoxin
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stim ACh vesicle release, black widow venom
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botulism toxin
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blocks vesicle exocytosis
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snake venoms
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a bungarotoxin-NMJ R binder
fasciculins- AChE inh muscarinic toxins-M agonists |
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ACh
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choline ester, M+N, miosis for surgery
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Bethanecol
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choline ester, M only, treats urinary retention
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Carbachol
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choline ester, M+N, treats glaucoma
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Plant Alkaloids Cholinergic Agonists
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Muscarine-no use
Nicotine-smoking cessation Pilocarpine-M>N, treats glaucoma and xerostomia |
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Cevimeline
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M agonist, for glaucoma and xerostomia
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Donepezil
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reversible AChEinh for alzheimers b/c crosses bbb
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Edrophonium
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reversible AChEinh-only lasts minutes, for diagnosing myasthernia gravis and paroxysmal supraventricular tacchycardia...risk of cholinergic crisis where have prolonged depolarization of skeletal mm
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Neostigmine
Physostigmine Pyridostigmine |
reversible AChEinh, physostigmine is only tertiary one-can use that one for glaucoma..others use for curare toxicity, myasthenia gravis
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Echothiophate
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irreversible AChEinh. For glaucoma and accomadative esotropia/strabismis
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Isoflurophate
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irreversible AChEinh. For glaucoma
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Malathion
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irreversible AChEinh- for pediculosis
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Pralidoxime
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regenerates cholinesterase if given before "aging", use in conjxn with atropine for organophosphate tox
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Sildenafil
Tadalafil Vardenafil |
5-PDEinh, avoid with nitrates and other hypotensives, tadalafil has longest half life. Are metab by CYP3A4
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Atropine
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belladonna alkaloid/M antagonist
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Scopolamine
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belladonna alkaloid/M antagonist, for motion sickness
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Hyoscyamine
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belladonna alkaloid/M antagonist
nonracemer of atropine |
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homatropine
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M antagonist-tertiary
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propantheline
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M antagonist-quaternary
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Ipatropium
Tiotropium |
M antagonist-deliverd by inhalation for COPD, not absorbed into bloodstream
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Pirenzepine
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M1 antagonist-inhibits his release for peptic ulcers
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Dicyclamine
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M3 antagonist-for irritable bowel syndrome
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Glycopyrrolate
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M antagonist-block vagal bradycardia
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Tropicamide
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M antagonist, to have short term mydriasis
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Oxybutynin
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M antagonist-for overactive bladder
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Solifenacin
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M antagonist-for overactive bladder
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tolterodine
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M antagonist-for overactive bladder
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hexamethonium
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ganglionic N antagonist
nondepolarizing |
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pentolinium
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ganglionic N antagonist
nondepolarizing |
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trimethaphan
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ganglionic N antagonist
nondepolarizing |
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mecamylamine
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ganglionic N antagonist
nondepolarizing |
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Nicotine
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ganglionic N antagonist
depolarizing |
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Tubocurarine
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Nondepolarizing NMJ blocker
also stim hist release and act as ganglionic blocker |
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Pancuronium
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Nondepolarizing NMJ blocker
less histamine release |
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Atracurium
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Nondepolarizing NMJ blocker
less histamine release, laudanosine product can cause seizures |
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Vecuronium
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Nondepolarizing NMJ blocker
less histamine release, liver excretes |
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Succinylcholine
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Depolarizing NMJ blocker
short acting paralysis-fasciculations. First screen for atypical pseudocholinesterase, can lead to histamine release, ganglionic stim, mm pain, and malignant hyperthermia |
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Dantrolene
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mm relaxant by decreasing Ca release from SR, used for malignant hyperthermia, can be hepatotoxic.
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Dobutamine
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Catecholamine-mostly B1
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Dopamine
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Catecholamine-
low dose decrease PVR-D1R high dose increase PVR-a1R |
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Epinephrine
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Catecholamine-affinity for all
low dose-B2 dilation BV high dose-a1 constriction BV use:asthma, anaphylaxis, glaucoma |
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Isoproteronol
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Catecholamine-only B
vasodilation and cardiac stim |
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Norepinephrine
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Catecholamine-all except B2
constricts BV->reflex bradycardia |
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Albuterol
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NonCatecholamine-B2-for asthma
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Clonidine
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NonCatecholamine-a2
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Midodrine
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NonCatecholamine-a1-
can lead to postural hypotension |
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Methoxamine
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NonCatecholamine-a1-
can lead to postural hypotension |
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Phenylephrine
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NonCatecholamine-a1-
reflex bradycardia Topical-vasoconstriction Oral-nasal decongestant |
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Ritodrine
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NonCatecholamine-B2- for preterm labor
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Terbutaline
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NonCatecholamine-B2-for preterm labor and asthma
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Metaproteronol
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NonCatecholamine-B2-for preterm labor and asthma
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Tyramine/Amphetamine
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Indirect adrenergic agonist
inhibit storage of NE into vesicles so NE goes out into synapse via catecholamine transporter |
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Cocaine
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Indirect adrenergic agonist
binds catecholamine transporter and blocks reuptake. Is also a local anasthetic |
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Ephedrine/Pseudoephedrine
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Mixed acting adrenergic agonist
long duration and well absorbed, nasal decongestant |
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Metaraminol
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Mixed acting adrenergic agonist
direct a1,2, indirect NE release |
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Phenoxybenzamine
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nonselective a blocker, noncompetetive=sympathectomy
decreases BP in pheochromocytoma |
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Phentolamine
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nonselective a blocker, competetive
for pheochromocytoma and dermal ischemia from Epi extravasation |
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Selective a1 blocker(4)
Treats (3) Adv |
Prazosin, terazosin, doxazosin, tamulosin
Treats HTN, Urinary Retention, BPH Adv-nasal congestion, 1st dose syncope, hypotension |
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Propanolol
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nonselective B blocker-w/MSA
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Timolol
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nonselective B blocker
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Nadolol
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nonselective B blocker
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Pindolol
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nonselective B blocker-w/ MSA and ISA-less reduction in HR-only used for HTN
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Atenolol
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selective B1 blocker
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Metoprolol
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selective B1 blocker
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Acebutolol
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selective B1 blocker-w/ISA
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Labetatol
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B1,2,a1 blocker-less vasoconstriction than pure B blockers, good for people w/HTN who cant tolerate an increase in PVR
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Carvedilol
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B1,2,a1 blocker and antioxidant
great for MI, HTN, heart failure |
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Reserpine
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decreases storage NE
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Guanethidine
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decrease release of NE
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Ester Type Local Anasthetics(4)
characteristics(1) metab in |
Cocaine, Procaine, Chloroprocaine, benzocaine
form PABA metab in plasma and tissue |
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Amide Type Local Anasthetics
metab in |
Lidocaine, Etidocaine, bupivacaine, prilocaine-toxic metab leads to methemoglobinemia
metab in liver |
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Toxins bind to Na channels
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tetrodotoxin, saxitoxin(red tide), scorpion venom
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