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Adrenergic Agonists


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What is the mechanism of nasal decongests?
Give examples
Vasoconstriction of mucous membranes
Phenylephrine, Pseudoephedrine, Oxymetazoline (long acting)
Name the 2 medications that are used to treat shock?
Which one inc. renal blood flow?
Dopamine & Dobutamine
This medication prevents LA toxicity when used w/ local anesthetics
These two medications are used for asthma?
What is the disadvantage of their use?
Albuterol, terbutaline
This alpha agonist induces mydriasis
This alpha-2 agonist acts on the ciliary body to dec. aqueous humor secretion?
What disease does its action benefit?
This prodrug of epinephrine penetrates the anterior chamber of the eye
This amphetamine has a calming effect in hyperkinetic children
methylphenidate (Ritalin)
This is the DOC for treating allergic disorders (anaphyllaxis)
Epinephrine (?)
These are 2ndary treatments for anaphyllaxis
glucorticoids, and antihistamines
This medications can stimulate weight reduction
amphetamine, phenylpropanolamine, phentermine
This weight reduction drug stimulates the satiety center, induces tolerance and has less CNS stimulation than amphetamine
This weight reduction drug increase 5HT release and reuptake,
What is its terrible side effect?
Fenfluramine - valvular heart disease, and pulmonary hypertension
A new patient arrives with miosis, ptosis, dec. sweating, and a tumor in her sympathetic chain, what syndrome does she have?
Horner's syndrome
What does it mean if you give her an amphetamine and her pupils do not dilate?
How about the opposte (her pupils dilate)?
Postganglionic nerve damage
Preganglionic nerve damage
Billy Hartatac arrives at your office for his annual visit, upon taking his standing blood pressure, you find that he has orthostatic hypotension. What 2 medications can you prescribe?
Ephedrine, and Midodrine

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