#FLOW RATE PER HOUR CALCULATOR DRIVER#
The answer is the syringe driver needs to be set to 3.38 mL/hour (rounded to two decimal places).
To find out what volume you need to administer to deliver 0.27 mg, multiply both values by 0.27:Ġ.27 x 1 mg in 0.27 x 12.5 mL = 0.27 mg in 3.375 mL To find out what volume you need to administer to deliver 1 mg, divide both values by 0.08: To find out how many milligrams there are in 1 mL, divide both values by 50: To find the dose required for this patient, who weighs 75 kg, multiply the dose by the weight: To convert from a smaller unit to a larger unit of measurement, you need to divide by 1000: The prescribed dose is in micrograms/min, but the answer is to be expressed in mL/hour, so convert the prescribed dose to micrograms/hour by multiplying by 60 (the number of minutes in an hour):Ĭonvert the dose of noradrenaline from micrograms to milligrams as the amount in the syringe driver is given in milligrams. The answer is that the rate required on the infusion pump is 13 mL/hour.Īlternatively, you can apply the following formula:ĭose (mg/kg/hour) x weight (kg) x volume (mL) = Rate (mL/hour) With a more complex calculation, the way forward is to divide the number of milligrams delivered per hour by the number of milligrams per millilitre in the medication solution:
This conclusion is relatively easy, because the prepared infusion contains 1 mg in 1 mL. In order to deliver 13 mg/hour, you will therefore need to set the rate on the pump to 13 mL/hour. Therefore, a dose of 0.2 mg/kg/hour for a patient weighing 65 kilograms will mean delivering 13 mg/hour.Ĭalculate how many milligrams there are in each millilitre of the prepared infusion.
To find the dose required, multiply the dose per kilogram by the patient’s weight: Therefore, a dose of 200 micrograms/kg/hour is equivalent to 0.2 mg/kg/hour. Convert the amount of midazolam from micrograms to milligrams, as the dose contained in the syringe is in milligrams.
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