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49 Cards in this Set

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Neostigmine
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
Isoflurophate
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
Cholinergic Toxidrome
Salivation, Lacrimation, Urination, Defecation, GI over motility, Emesis, Miosis
SLUDGE-M: massive discharge of PS system
Phenylephrine
Specific agonist of α1 receptors
Treat nasal congestion
Sudafed
Indirect adrenergic drugs (9)
Imipramine, Metyrosine, Tolcapone, Entacapone, Reserpine, Amphetamine, Guanethidine, Guanadrel, Tranylcypromine,
I'm meeting tall E capone and Sir Pine at the amphitheater then I'm gonna (guana) drill and dine with some prominent trannys
Metyrosine
Blocks tyrosine hydroxylase
Treat pheochromocytoma (adrenal hyperplasia)
Decrease NE synthesis
Reserpine
Ruins storage vesicles for NE
Treat HTN
SE: depression
Decrease NE transmission
Imiprimine
Blocks reuptake of NE
Treat depression
MOA for tricyclic antidepressants (TCA) and cocaine
Increased NE in synapse
Amphetamine
Flip the reuptake transporter to release NE from vesicles instead (and no reuptake possible)
Treat ADD, depression, narcolepsy
Increased NE in synapse - Adrenomimetic
Guanethidine and Guanadrel
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
Tranylcypromine
MAO (A and B) inhibitor, increases NE within the neuron
Treat depression
Adrenomimetic (MAOI)
Tolcapone and Entacapone
COMT inhibitor with mostly CNS action
Used as adjunct for PD
Adrenomimetic
Direct adrenergic drugs
Norepinephrine, Epinephrine, Oxymetazoline, Clonidine, Isoproterenol
No clones is pro ox metal + Epinephrine
Norepinephrine
Nonselective (α1 >> α2 > β1 > β2)
Action: Vasoconstriction
Treat: shock
SE: HTN, local ischemia
Endogenous - when there's NO time
Oxymetazoline
Nonselective α agonist
Action: local vasoconstriction
Use: nasal decongestant or eyedrops
Afrin, Visine
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
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
Isoproterenol
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
Dopamine (ANS effects)
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
Non selective alpha antagonists (2) and their side effects
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
Phenoxybenzamine
nonselective, irreversible, α receptor antagonist
Treat pheochromocytoma symptoms
long acting
Phen treats Pheo
Phentolamine
nonselective, competitive α receptor antagonist
Used to diagnose pheochromocytoma
short acting
Phen diagnoses Pheo
Prazosin or Doxazosin
α1 antagonist, prevents Action: vasoconstriction but without direct heart-related effects
Treat long term HTN
SE: dizzy, drowsy, depressed, HE, vertigo, nervousness
selective antagonist
Tamsulosin and Terazosin
α1 antagonist, vasoconstriction specific for bladder and urethral muscles
Treat BPH or bladder output obstruction
Similar to Prazosin
Propanolol
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
Atenolol
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
Metoprolol and Esmolol
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
Labetalol
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
Carvediol
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)
Nebivolol
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)
Irreversible AChE inhibitors
Organophosphates (isoflurophate, nerve gas)
WW2
Reversible AChE inhibitors (4 types)
Any -stigmine), Qry alcohols (Edrophonium), Donepezil, Tacrin
Curare antidote
Reverse your stigma
Donepezil and Tacrin
Reversible AChE inhibitor with BBB penetration
Treats dementia of the Alzheimer's type
Done with forgetting my pez
Endrophonium
Reversible AChE inhibitor
Treat MG or to reverse nondepolarizing neuromuscular blockages
Indirect increase of ACh at synapse
Indirect cholinergic drugs (5)
CAT inhibitors, Vesamicol, Hemicholinium, Latrotoxin, Botulinum toxin
2 toxins + V H CAT
Acetylseco hemicolinium (CAT inhibitor)
Anticholinergic
Vesamicol
MOA: block transport of ACh into storage vesicles
Anticholinergic
Vesamicol sounds like vesicle
Hemicholinium
MOA: block choline reuptake into presynaptic terminal
Anticholinergic via ACh depletion
Depletion
Latrotoxin (black widow spider venom)
explosive ACh release triggers exocytosis
You have to ENHANCE your visual field to see a black widow spider
Botulinum Toxin
Block ACh release at the plasma membrane
Treats twitching eyelids or deviated eyes
Robots
Cholinergic Alkaloids (2 muscarinic, 2 nicotinic)
Muscarine and Pilocarpine
Nicotine and Lobeline
Lifting a pile o cars is good for your muscles
Put a cigarette behind your eye lobe
4 Choline esters and their sites of action
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
Acetylcholine clinical use
Miosis for eye surgery
Cholinomimetics (5)
Bethanechol, Carbachol. Cevimeline, Pilocarpine, Varenicline
BC -chol
CPV -ine
Carbachol
Cholinomimetic
Gluacoma or miosis for surgery
eyes
Bethanechol clinical use
Cholinomimetic
Urinary retention (muscarinic stimulation)
all her muscles makes it hard for beth to pee
Muscarinic cholinergic antagonists (4)
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
Dobutamine
Specific agonist of β1 receptors
Increase contractility with little changes in HR or TPR
Treat CHF
specific - safer than other drugs of this type
Albuterol
Specific agonist of β2 receptors
Treat bronchospams - inhaled
SE: arrhythmia, micturation difficulty
Asthma inhaler