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SNS Drugs

Adrenergic and Antiadrenergic Drugs

QuestionAnswer
Adrenergic Drugs Action: Binds with alpha and beta receptors; Uses: Anaphylaxis, hypotension, nasal congestion, bronchoconstriction
Alpha: Levophed Action: vasoconstriction Features: Strong peripheral vasoconstrictor; give for low BP
Beta: Proventil Action: Interacts more with beta-2 receptors Features: Bronchodilation and less cardiac stimulation
Alpha-Beta: Adrenalin Action: Interacts with alpha and beta but more with beta-1 Features: cardiac stimulation; bronchoconstriction; general vasoconstriction at higher doses
Antiadrenergic Drugs Action: Blocks adrenergic receptors and interferes with NT production Uses: Peripheral vasodilation; cardiac depression; bronchoconstriction; GI/bladder relaxation
Non-Selective Alpha Blocker: Regitine Action: Blocks alpha 1 and 2 Features: Used to treat tissue necrosis caused by infiltration of vasoconstricting drugs
Selective alpha-1 blocker: Minipres Action: Blocks alpha-1 receptor and prevents SNS response in heart, blood vessels, and GI/urinary systems Features: First dose syncope; administer HS
Selective Alpha-2 blocker: Catapres Action: Inhibits release of norepi Features: Used for tachycardia, water and Na retention, rebound hypertension; may require diuretics to prevent enematic effects
Non-selective beta 1,2 blocker: Inderal Actions: Blocks cardiac stimulation and bronchodilation Features: Can cause bradycardia and increased glucose levels; do not give to diabetics or ahsmatics
Selective beta-1 blocker: Tenormin Action: Blocks cardiac stimulation by preventing renin release Feature: Decreases blood glucose and less bronchoconstriction
Alpha-beta blocker: Trandate Uses: Prevents vasoconstriction and bronchodilation; impedes glucose production; relaxes GI and bladder Feature: Orthostatic hypotension
Created by: viviane
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