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Terms in this set (11)
What is the trade name of dopamine hydrochloride?
What is the class of dopamine?
adrenergic, vasopressor, intropic agent
What are the mechanisms of action for atropine?
dose dependent alpha, beta and dopaminergic agonist
What are the mechanisms of action for dopamine with a low and intermediate dose?
-low dose (0.5-2mcg/kg/min) causes vasodilation in renal, mesenteric, cerebral, and coronary arteries via activation of the dopamine receptor sites
-intermediate dose (2-10mcg/kg/min) produce a step-wise increase in contractility, automaticity, and conductivity via beta-receptor effects
What is the mechanism of action in dopamine with a high or extremely high dose?
-high dose (10-20mck/kg/min) the alpha receptor effects predominate producing peripheral vasoconstriction
-extremely high dose (>20 mcg/kg/min) renal and mesenteric vessels constrict resulting in decreased blood flow and significant peripheal vasoconstriction
What are the indications for dopomine?
-hypoperfusion due to myocardial infarction, sepsis, severe congestive heart failure, and pulmonary edema
What are the contraindications for dopamine?
What is the adult dose for dopamine?
-400mg/250cc premixed bag yields 1600 mcg/ml
-initiate therapy at rate of 5mcg/kg/min and titrate to a blood pressure of 100 systolic in adults and 80-90 pediatric patients
What is the route for dopamine?
What are the precautions for dopamine?
-correct any volume deficit before instituting dopmaine therapy, unless otherwise directed
-do not mix with sodium bicarbonate, this deactivates dopamine
What are the adverse reactions for dopamine?
ectopy, local tissue narcosis if line infiltrates, tachycardia, palpitations, dysrhythmias, hypotension, nausea and vomiting
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