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1 pt = __ fluid ounces
16
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x gtt/min =
(amt of sol'n (mL) x drop factor)/time(min)
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BSA (m2) =
sq rt (weight(kg) x (height(cm))/(3600)
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Estimated child's dosage =
BSA of child (m2) / 1.7 (m2) x adult dosage
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Effects of Adrenergic Drugs
Stimulate the SNS. AKA symapthomimetic because they mimic the SNS neurotransmitters norepinephrine, epinephrine, and dopamine. Respiratory - bronchdilators, Topical nasal decongestants - constrict dilated arterioles, Ophthalmic - dilate pupils, conjunctival congestion, intraocular pressure, CV - vasoactive, vasoconstrictive
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Salmeterol
Long acting beta 2 agonist - bronchodilator- used for asthma and COPD.
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Drug to treat anaphylactic reaction
epinephrine - stimulates beta 1 adrenergic receptors.
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Phentolamine subq is given for
Treats the extravasation of vasoconstricting IV drugs such as catecholamines (norepinephrine, epinephrine, and dopamine) reverses if drug leaks out of vein
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Tolazoline is given for
HTN. Persistent pulmonary HTN in the newborn.
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Lopressor is given for
Beta blocker - angina, MI, cardiac dysrhythmias, HTN, and heart failure
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Male stops beta-blocker for HTN. Why?
Can cause impotence
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Diagnosis of myasthenia gravis - taking a cholinergic drug the best time is
30 min before eating
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Anticholinergic; the elderly should take measure to
prevent heat related problems
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Tolterodine
used for urinary incontinence - lower incidence of dry mouth, specific to the bladder.
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Albuterol (proventil) is used for
bronchodilating beta agonist.
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Guaifenesin (humbid) for flu, pt teaching includes
- - Avoid alcohol
- - No longer than 1 wk usage
- - Contain prescriber if symptoms occur longer than 1 wk
- - Intake fluids
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Antileukotriene (Zyflo) for asthma
Prevention of asthma, NOT treatment
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Antitussive drugs are given for
When a cough is nonproductive and/or harmful
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Therapeutic level for Theo-dur is
10-20 mcg/mL
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