Question
In: Biology
MD ORDERS: Dobutrex continuous infusion at 22ml/hr. The IV bag is labeled 750mg Dobutrex in 500ml...
MD ORDERS: Dobutrex continuous infusion at 22ml/hr. The IV bag is labeled 750mg Dobutrex in 500ml of IV fluid. Patient weighs 58kg. Recommended dose is 2.5-05mcg/kg/min.
a. How many mcg/kg/min will the patient receive? (show work)
b. Is the dose within the theraputic range?
Solutions
Expert Solution
a 9.5 mcg/kg/min
first determine how many milligrams/hour is being delivered by the IV pump. The rate of the IV (cc/hr) is divided by the volume of the IV bag (mL available), then multiply this result by the total amount of medication (mg) in the IV bag.
|
rate |
x dose available |
becomes
|
22mL/hr |
x 750mg |
Next, after the milligrams/hour has been determined, use the next formula to convert from milligrams/hour to mcg/kg/min.
|
mg |
x 1000 / kg |
Return to:which = 9.5 mcg/kg/min
b Yes, the dose is with in the range as the dosage is 0.5 to 20 mcg/kg/min
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