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22 Cards in this Set
- Front
- Back
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Selectivity of epinephrine
Uses of epinephrine |
alpha-1, alpha-2, beta-1 (low doses), beta-2
open angle glaucoma, anaphylaxis |
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Selectivity of norepinephrine
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alpha-1, alpha-2 >beta-1
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Selectivity of isoprotenerol
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beta-1 = beta-2
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Selectivity of dopamine
Mechanism of dopamine Uses of dopamine |
D1 = D2 > beta > alpha
inotropic and chronotropic shock, increases renal perfusion |
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Selectivity of dobutamine
Mechanism of dobutamine Use of dobutamine |
beta-1 > beta-2
inotropic only used for cardiac stress testing |
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Selectivity of phenylephrine
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alpha-1 > alpha-2
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Selective B-2 agonists (B2 > B1)
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Metaprotenerol (acute asthma)
Albuterol (acute asthma) Salmeterol (long-acting) Terbutaline (reduce premature uterine contractions) (MAST) |
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Selectivity of ritodrine
Use of ritodrine |
B2 agonist
Reduce premature uterine contractions (like Terbutaline) |
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Indirect general sympathomimetic that releases stored catecholamines
Used for narcolepsy, ADHD |
Amphetamine
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Indirect general sympathomimetic that releases stored catecholamines
Used for nasal decongestion, urinary incontinence, hypotension |
Ephedrine
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Indirect general sympathomimetic, inhibits reuptake of catecholamines
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cocaine and tricyclic antidepressants
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Centrally acting alpha-2 agonists used for hypertension in pts with renal disease
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Clonidine
alpha-methyldopa |
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What are the side effects of the alpha blocker used before removing a pheochromocytoma?
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PHENOXYBENZAMINE - irreversible
Orthostatic hypotension, reflex tachycardia |
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Given to prevent vasoconstriction at IV insertion site
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Phentolamine - prevents NE extravasation
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What are the alpha-1 blockers used in hypertension and BPH-associated urinary retention?
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Prazosin, Terazosin, Doxazosin
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What are the side effects of the alpha-2 selective antidepressant Mirtazapine?
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sedation, increased serum cholesteron, increased appetite
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Which beta blocker is given for glaucoma?
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Timolol (decreases secretion of aqueous humor)
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Which beta blockers are given for supraventricular tachycardia?
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Propanolol, esmolol (act as class II antiarrythmics)
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Name the non-selective beta blockers.
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Propanolol, Pindolol, Labetalol, Timolol, Nadolol
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Name the B1-selective beta blockers.
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Acebuolol, Betaxolol, Esmolol, Atenolol, Metoprolol (A BEAM of beta blockers)
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What are the non-selective alpha AND beta blockers
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Carvedilol, Labetalol
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What are the partial beta agonists?
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Pindolol, Acebutalol
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