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64 Cards in this Set
- Front
- Back
- 3rd side (hint)
Bethanecol (class and application)
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direct cholinomimetic, postop and neurogenic ileus and urinary retention;
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Bethanecol (class and action)
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direct cholinomimetic; Activates Bowel and Bladder smooth muscle; resistant to AChE
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Carbachol (class and application)
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direct cholinomimetic, glaucoma,
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Carbachol (class and action)
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direct cholinomimetic, activates ciliary muscle of the eye (open angle glaucoma), pupillary sphincter (narrow angle); resistant to ACHE
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pilocarpine (class, application)
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direct cholinomimetic, glaucoma,
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pilocarpine (class, action)
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direct cholinomimetic, activates ciliary muscle of the eye (open angle glaucoma), pupillary sphincter (narrow angle); resistant to ACHE
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Neostigmine (class, application)
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indirect cholinomimetic (anticholinesterase); postop and nuerogenic ileus and urinary retention, myesthenia gravis, reversal of neuromuscular junction blockade (postop)
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Neostigmine (class, action)
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indirect cholinomimetic (anticholinesterase); increased endogenous Ach
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Pyridostigmine (class, application)
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indirect cholinomimetic (anticholinesterase); myesthenia gravis
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Pyridostigmine (class, action)
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indirect chlinomimetic (anticholinesterase); increased endogenous Ach; increased strength
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Edrophonium (class, application)
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indirect cholinomimetic (anticholinesterase); dx of myesthenia gravis (very short acting)
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Edrophonium (class, action)
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indirect cholinomimetic (anticholinesterase); increased endogenous Ach
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Physostigmine (class, application)
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indirect cholinomimetic (anticholinesterase); glaucoma (crosses BBB) and atropine overdose
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Physostigmine (class, action)
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indirect cholinomimetic (anitcholinesterase); increased endogenous Ach
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Echothiophate (class, application)
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indirect cholinomimetic (anticholinesterase); glaucoma
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Echothiophate (class, action)
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indirect cholinomimetic (anticholinesterase); increased endogenous Ach
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Symptoms of Cholinesterase inhibitor poisoning
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DUMB BELSS - Diarrhea, Urination, Miosis, Bronchospasm, Bradycardia, Excitation of skeletal muscle and CNS, Lacrimation, Sweating and Salivation (also abdominal cramping)
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What are parathion and organophosphates?
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cholinesterase inhibitors that are likely to poison you
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What is the antidote to cholinesterase inhibitor poisoning?
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atropine (muscarinic antag) plus pralidoxime (chem antagonist used to regenerate active cholinesterase)
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Atropine (class, site of action, application)
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Cholinoreceptor blocker (muscarinic antag); Eye, produce mydriasis and cycloplegia
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tropicamide (class, site of action, application)
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Cholinoreceptor blocker; Eye, produce mydriasis and cycloplegia
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None
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Benztropine (class, site of action, application)
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cholinoreceptor blocker; CNS; Parkinson's
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Scopolamine (class, site of action, application)
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Cholinoreceptor blocker; CNS; Motion Sickness
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Ipratropium (class, site of action, application)
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Cholinoreceptor blocker; Respiratory; Asthma, COPD
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Methscopolamine (class, site of action, application)
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Cholinoreceptor blocker; Genitourinary; Reduce urgency in mild cystitis and reduce bladder spasms
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oxbutin (class, site of action, application)
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Cholinoreceptor blocker; Genitourinary; Reduce urgency in mild cystitis and reduce bladder spasms
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Glycopyrrolate (class, site of action, application)
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Cholinoreceptor blocker; Genitourinary; Reduce urgency in mild cystitis and reduce bladder spasms
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Actions of Atropine
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Blocks SLUD (Salivation, Lacrimation, Urination, Defecation) also pupil dilation and cycloplegia
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ADR of Atropine
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hot as a hare, dry as a bone, red as a beet, blind as a bat, mad as a hatter. Also rapid pulse, constipation. Can cause glaucoma in elderly, urinary retention in BPH pts, and hyperthermia in infants
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Hexamethonium (MOA and application)
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Nicotinic Ach receptor antagonist; ganglionic blocker, prevents vagal reflex responses to changes in BP (for experimental models)
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Epinephrine (class, selectivity, applications)
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catecholamine, direct general agonist (a1, a2, b1, b2), anaphylaxis, glaucoma (open angle), asthma, hypotension
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NE (class, selectivity, applications)
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catecholamine, a1, a2, b1; hypotension (but decreased renal perfusion)
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Isoproterenol (class, selectivity, applications)
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catecholamine, b1 = b2; AV block (rare)
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Dopamine (class, selectivity, applications)
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catecholamine, D1 = D2 > b > a, shock (increased renal perfusion), heart failure
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Dobutamine (class, selectivity, applications)
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catecholamine, b1 > b2, shock, heart failure
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Amphetamine (class, selectivity, applications)
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sympathomimetic, indirect general agonist (releases stored catecholamines); narcolepsy, obesity, ADD
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Ephedrine (class, selectivity, applications)
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sympathomimetic, indirect general agonist (releases stored catecholamines); nasal decongestion, urinary incontinence, hypotension
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Phenylephrine (class, selectivity, applications)
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sympathomimetic, a1 > a2, pupil dilator, vasoconstriction, nasal decongestion
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Albuterol (class, selectivity, applications)
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sympathomimetic, b2 > b1, asthma
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Terbutaline (class, selectivity, applications)
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sympathomimetic, b2 > b1, asthma
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Cocaine (class, selectivity, applications)
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sympathomimetic, indirect general agonist (uptake inhibitor), causes vasoconstriction and local anesthesia
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Clonidine (class, selectivity, applications)
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sympathomimetic, centrally acting a-agonist, decreased central adrenergic outflow; hypertension, especially with renal dz (no decreas in renal perfusion)
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a-methyldopa (class, selectivity, applications)
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sympathomimetic, centrally acting a-agonist, decreased central adrenergic outflow; hypertension, especially with renal dz (no decreas in renal perfusion)
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Phenoxybenzamine (class, application, toxicity)
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nonselective, irreversible a-blocker, pheochromocytoma; tox: orthostatic hypotension, reflex tachycardia
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None
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Phentolamine (class, application, toxicity)
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nonselective, reversible a-blocker; pheochromocytoma, tox: orthostatic hypotension, reflex tachycardia
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Prazosin (class, application, toxicity)
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a1 blocker; HTN, urinary retention in BPH; tox: 1st dose orthostatic hypotension, dizziness, HA
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Terazosin (class, application, toxicity)
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a1 blocker; HTN, urinary retention in BPH; tox: 1st dose orthostatic hypotension, dizziness, HA
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Doxazosin (class, application, toxicity)
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a1 blocker; HTN, urinary retention in BPH; tox: 1st dose orthostatic hypotension, dizziness, HA
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Mirtazapine (class, application, toxicity)
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a2 blocker; Depression; tox: sedation, increased serum cholesterol, increased appetite
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How do beta blockers work to treat HTN?
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decreased cardiac output, decreased renin secretion
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How do beta blockers work to treat angina?
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decreased HR and CTY, resulting in decreased O2 consumption
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How do beta blockers work to treat MI?
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beta blockers decrease mortality
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How do beta blockers work to treat SVT? Which ones?
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decreased AV conduction velocity (propanolol, esmolol)
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How do beta blockers work to treat CHF?
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slows progression of chronic failure
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How do beta blockers work to treat glaucoma (which one)?
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decreased secretion of aqueous humor (timolol)
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What are the toxicities of beta blockers?
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impotence, exacerbation of asthma, CV (bradycardia, AV block, CHF), CNS (sedation, sleep alterations), use w/caution in DM
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Which beta blockers are partial agonsists?
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pindolol, labetolol
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Which beta blockers are b1 selective?
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A BEAM (Acebutolol Betaxolol Esmolol Atenolol Metoprolol
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MOA of Epi for glaucoma? Side effects?
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a-agonist, increased outflow of aqueous humor; ADR: mydriasis, stinging, NOT FOR CLOSED ANGLE
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MOA of Brimonidine for glaucoma? Side effects?
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a-agonist, decreased aqueous humor synth; no visual adr
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MOA of beta blockers in glaucoma? Side effects?
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decreased aqueous humor secretion; no visual adr
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MOA of acetazolamide for glaucoma? Adr?
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decreased aqueous humor secretion due to decreased HCO3- (via CA inhibition); no visual adr
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MOA of cholinomimetics for glaucoma? Adr? (name some)
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increased outflow of aqueous humor; contract ciliary muscle and open trabecular network; ADR: miosis, cyclospasm (pilocarpine, carbachol, physostigmine, echothiophate)
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MOA of latanoprost in glaucoma? Adr?
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PGF2alpha agonist, increases outflow of aqueous humor; ADR: darkens color of iris
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