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49 Cards in this Set
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- 3rd side (hint)
Neostigmine
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MOA: AChE inhibitor, increase ACh at synapse
Bio: inc urination & intestinal motility, low doses stim contraction in skeletal muscle SE: Sludge, dec BP, bronchospasm |
Treat Myasthenia Gravis
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Isoflurophate
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MOA: irreversible covalent bond the AChE inhibits action = long term increase ACh in synapse
Bio: contract ciliary muscle to open trabecular meshwork Treat glaucoma SE: Sludge, dec BP, bronchospams |
Organophosphate type used as pesticide and nerve gas
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Cholinergic Toxidrome
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Salivation, Lacrimation, Urination, Defecation, GI over motility, Emesis, Miosis
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SLUDGE-M: massive discharge of PS system
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Phenylephrine
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Specific agonist of α1 receptors
Treat nasal congestion |
Sudafed
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Indirect adrenergic drugs (9)
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Imipramine, Metyrosine, Tolcapone, Entacapone, Reserpine, Amphetamine, Guanethidine, Guanadrel, Tranylcypromine,
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I'm meeting tall E capone and Sir Pine at the amphitheater then I'm gonna (guana) drill and dine with some prominent trannys
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Metyrosine
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Blocks tyrosine hydroxylase
Treat pheochromocytoma (adrenal hyperplasia) |
Decrease NE synthesis
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Reserpine
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Ruins storage vesicles for NE
Treat HTN SE: depression |
Decrease NE transmission
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Imiprimine
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Blocks reuptake of NE
Treat depression MOA for tricyclic antidepressants (TCA) and cocaine |
Increased NE in synapse
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Amphetamine
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Flip the reuptake transporter to release NE from vesicles instead (and no reuptake possible)
Treat ADD, depression, narcolepsy |
Increased NE in synapse - Adrenomimetic
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Guanethidine and Guanadrel
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Displaces NE in vesicles causing depletion
Treat HTN Initial effect would be to increase NE so have to slowly deplete the vesicles with increasing dosages |
Depletion of NE
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Tranylcypromine
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MAO (A and B) inhibitor, increases NE within the neuron
Treat depression |
Adrenomimetic (MAOI)
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Tolcapone and Entacapone
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COMT inhibitor with mostly CNS action
Used as adjunct for PD |
Adrenomimetic
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Direct adrenergic drugs
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Norepinephrine, Epinephrine, Oxymetazoline, Clonidine, Isoproterenol
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No clones is pro ox metal + Epinephrine
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Norepinephrine
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Nonselective (α1 >> α2 > β1 > β2)
Action: Vasoconstriction Treat: shock SE: HTN, local ischemia |
Endogenous - when there's NO time
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Oxymetazoline
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Nonselective α agonist
Action: local vasoconstriction Use: nasal decongestant or eyedrops |
Afrin, Visine
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Clonidine
(1 similar drug and off label use) |
α2 agonist (inhibitory)
Action: CNS action to dec BP Treat: HTN SE: drowsy, dizzy, dry mouth Apraclonidine for glaucoma Off label use to treat addiction |
Acts in CNS for peripheral effects
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Epinephrine
(include dose dependent effects and treatments) |
β1>β2>α1,2
Action: inc HR/CO - low dose (β2) =vasodilation, bronchodilation, raise glycemia VS high dose (α1) =vasoconstriction, decrease insulin release Treat: acute asthma and anaphylactic shock; high dose local application for glaucoma SE: CNS, arrhythmias, pulmonary edema |
Reverse selectivity of NE
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Isoproterenol
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Nonselective β agonist
Action: bronchodilation, inc HR/CO Treat: bronchospasms/low HR during anesthesia or as adjunct for shock SE: tachycardia |
I SO can't breathe like a PRO
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Dopamine (ANS effects)
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D1,2 > β1 > α1,2 >>> β2
Action: inc HR/CO (β1); high dose causes vasoconstriction (α1) Drug of choice for shock because in increases BP while also improving renal perfusion, unlike NE which constricts renal vessels SE: HTN, arrhythmia |
Drug of choice for shock
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Non selective alpha antagonists (2) and their side effects
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Phenoxybenzamine (long acting) and Phentolamine (short acting)
SE: arrhythmia, tachycardia, inhibit ejaculation, increase GI acid secretion (by histamine release) Not used long term because of GI/GU effects |
Phen and Phen treat and diagnose Pheo
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Phenoxybenzamine
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nonselective, irreversible, α receptor antagonist
Treat pheochromocytoma symptoms |
long acting
Phen treats Pheo |
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Phentolamine
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nonselective, competitive α receptor antagonist
Used to diagnose pheochromocytoma |
short acting
Phen diagnoses Pheo |
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Prazosin or Doxazosin
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α1 antagonist, prevents Action: vasoconstriction but without direct heart-related effects
Treat long term HTN SE: dizzy, drowsy, depressed, HE, vertigo, nervousness |
selective antagonist
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Tamsulosin and Terazosin
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α1 antagonist, vasoconstriction specific for bladder and urethral muscles
Treat BPH or bladder output obstruction |
Similar to Prazosin
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Propanolol
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non selective β receptor antagonist
Action: Dec HR/CO, reduce systemic vascular tone, decrease aqueous humor production Treat HTN, glaucoma, post MCI, migraine SE: bronchoconstriction makes it contraindicated in asthma, COPD, constapation, sedation, sleep disturbances, dec metabolism (exercise intolerance) Interactions: |
Michael Jackson OD - he was nonselective for B(oys) and was antagonized for it
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Atenolol
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β1 selective antagonist
Action: Dec HR/CO and BP Treat HTN (no respiratory side effects bc no β2 antagonism) SE: Arrhythmias |
Like propanolol without respiratory side effects
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Metoprolol and Esmolol
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β1 selective antagonists
Action: Dec HR/CO and BP Metoprolol treats HTN, acute MCI, CHF Esmolol is short acting for rapid control of tachycardia/HTN |
Similar to Atenolol
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Labetalol
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α, β1 selective antagonists and β2 selective agonist
Action: prevent vasoconstriction (anti-α1), reduce HR/CO (anti-β1), relax vasculature smooth muscle (β2) Treat: mild to severe HTN, given IV in hypertensive attack SE: dizziness, nausea, hypotension |
double antagonist + single agonist
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Carvediol
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Third generation, β2 agonist (decrease peripheral resistance) with blockade of calcium cascade to prevent compensatory HR increase
Treat: HTN, esp post MCI |
Third generation beta-blocker (C)
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Nebivolol
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Third generation, β1 antagonist (dec HR/CO) with NO donors to offset ROS negative effects on platelet and lipid aggregation
Treat: HTN, esp post ischemic stroke or in hyperlipidemia |
Third generation beta-blocker (N)
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Irreversible AChE inhibitors
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Organophosphates (isoflurophate, nerve gas)
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WW2
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Reversible AChE inhibitors (4 types)
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Any -stigmine), Qry alcohols (Edrophonium), Donepezil, Tacrin
Curare antidote |
Reverse your stigma
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Donepezil and Tacrin
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Reversible AChE inhibitor with BBB penetration
Treats dementia of the Alzheimer's type |
Done with forgetting my pez
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Endrophonium
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Reversible AChE inhibitor
Treat MG or to reverse nondepolarizing neuromuscular blockages |
Indirect increase of ACh at synapse
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Indirect cholinergic drugs (5)
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CAT inhibitors, Vesamicol, Hemicholinium, Latrotoxin, Botulinum toxin
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2 toxins + V H CAT
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Acetylseco hemicolinium (CAT inhibitor)
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Anticholinergic
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Vesamicol
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MOA: block transport of ACh into storage vesicles
Anticholinergic |
Vesamicol sounds like vesicle
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Hemicholinium
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MOA: block choline reuptake into presynaptic terminal
Anticholinergic via ACh depletion |
Depletion
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Latrotoxin (black widow spider venom)
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explosive ACh release triggers exocytosis
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You have to ENHANCE your visual field to see a black widow spider
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Botulinum Toxin
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Block ACh release at the plasma membrane
Treats twitching eyelids or deviated eyes |
Robots
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Cholinergic Alkaloids (2 muscarinic, 2 nicotinic)
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Muscarine and Pilocarpine
Nicotine and Lobeline |
Lifting a pile o cars is good for your muscles
Put a cigarette behind your eye lobe |
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4 Choline esters and their sites of action
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Acetylcholine chloride, short acting at both receptors
Methacholine chloride, long acting at muscarinic Carbachol chloride, long acting at both sites Bethanechol chloride, long acting at muscarinic |
Beth has Meth in her Car
Beth does Meth for her muscles |
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Acetylcholine clinical use
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Miosis for eye surgery
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Cholinomimetics (5)
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Bethanechol, Carbachol. Cevimeline, Pilocarpine, Varenicline
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BC -chol
CPV -ine |
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Carbachol
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Cholinomimetic
Gluacoma or miosis for surgery |
eyes
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Bethanechol clinical use
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Cholinomimetic
Urinary retention (muscarinic stimulation) |
all her muscles makes it hard for beth to pee
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Muscarinic cholinergic antagonists (4)
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All reduce PS function (cause bronchodilation and prevent secretions)
Atropine, Ipratropium (inhalation bronchodilator), Scopolamine (anti-emetic), Tolterodine (overactive bladder) |
one is treatment for nerve gas
I pray to be able to breathe Use Scope after you vomit I told terry I had to pee |
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Dobutamine
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Specific agonist of β1 receptors
Increase contractility with little changes in HR or TPR Treat CHF |
specific - safer than other drugs of this type
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Albuterol
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Specific agonist of β2 receptors
Treat bronchospams - inhaled SE: arrhythmia, micturation difficulty |
Asthma inhaler
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