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15 Cards in this Set
- Front
- Back
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These two antagonists have affinity for alpha receptors
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Phetolamine and Phenoxybenzamine (which binds covalently)
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This antagonist has affinity for A1 receptors
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Prazosin
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This antagonist has affinity for A2 receptors
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Yohimbe (has some A1 activity)
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These four antagonists have affinity for beta receptors
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propanolol, nadolol, timolol, labetalol (plus A1)
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This antagonist has affinty for beta1 receptors
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Metoprolol
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What are the three types of chemical structures seen in alpha blockers?
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Haloalkylamines, Imidazolines, Quinazolines
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What drugs are haloalkylamines?
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Phenoxybenzamine
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What drugs are imidazolines?
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Phentolamine, tolazoline
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What drugs are quinazolines?
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Prazosin
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Dibenzyline TM
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Phenoxybenzamine, alpha antagonist
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Regitine TM
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phentolamine, alpha antagonist
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Priscoline TM
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tolazoline, alpha antagonist
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Minipress TM
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Prazosin, A1 antagonist
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Propanolol, Metoprolo, Timolol, Nadolol, Atenolol, Pindolol, Acebutolol
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Beta blockers
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What are the effects of beta blockers on the heart?
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Decreased rate, contractility, cardiac output, conduction velocity, automaticity
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