Answer :
The infusion rate would be 25ml/ hr.
What is the infusion rate?
- The rate of infusion (or dosing rate) in pharmacokinetics refers to the ideal rate at which a drug should be supplied to achieve a steady state of a fixed dose that has been shown to be therapeutically effective. This rate is not only the rate at which a drug is administered.
- The infusion volume is divided into drops, known as a drip-rate. The Drip Rate formula is as follows: Volume (mL) times time (h) equals drip-rate. A patient must get 1,000 mL of intravenous fluids over the course of eight hours.
- Infusion rates of 3–4 mg/kg per minute are advised by manufacturers to reduce rate-related adverse effects. Usually, the infusion lasts for several hours. Although not advised, rates exceeding 5 mg/kg per hour may be tolerated by some patients.
- If no negative reactions occur, the rate may be increased in accordance with the table every 30 minutes up to a maximum rate of 3 ml/kg/hour (not to exceed 150 ml/hour).
How many mL/hr will the nurse set the pump?
First, identify the doctor's order.
doctor's order = 10 units/ hour
This is also known as the dose.
Second, identify the dose in hand (DOH).
DOH = 200units/500ml
Supplied is 200 units of insulin in 500ml of NS.
So this can be written as 200units/500ml
Now solve the infusion rate in ml/hr using dimensional analysis.
doctor's order × DOH = Wanted quantity
10 units/hr × 500ml/200 units = 25 ml/hr.
Therefore, the infusion rate would be 25ml/ hr.
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