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10 Cards in this Set
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Sympathomimetics
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Uppers; ↑BP; pt's "tubes" not full b / c haven't eaten, dehydrated, etc., if you vasoconstrict you can increase volume compared to size of tube, inserting ETT raises BP b / c it is a strong stimulus, then BP may drop until next stimulus--surgical incision, so may need to use these until then to keep BP at desired / reasonable rate; Divided into Catecholamines & Synthetic Noncatecholamines; work through activation of α (vasculature--vasocontriction), β1 (heart--↑HR) and / or β2 (lungs--brachial relaxation) receptors--remember this w / mnemonic 1 Heart, 2 lungs for beta receptors
Sympathomimetics Group 7 |
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Sympathomimetics
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Describes a drug that stimulates the sympathetic nervous system or produces physiological effects similar to it
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Phenylephrine
Drug (trade name) |
Phenylephrine
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
Class |
Synthetic non-catecholamine; direct action
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
Uses |
↑BP, Nasal decongestant (use w / insertion of NA)
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
[ Supplied ] |
100mcg / mL
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
Dosing--card |
100mcg (50-200)
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
Dosing--Stever |
Bolus 50-100mcg, Inf 0.25-1 mcg / kg / min
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
Caution |
Increased afterload(heart pumping against high P), Reflex Bradycardia (↑BP but ↓HR)
Sympathomimetics Vasoactive Drugs Group 7 |
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Phenylephrine
Notes |
binds to α receptors to vasoconstrict "pipe"
Sympathomimetics Vasoactive Drugs Group 7 |