Solution:
Ordered dose = 5mcg/kg/min.
Pt weighs = 194lbs
Convert pt weight from kg into the pound.
1kg = 2.2 lbs
194 lbs = 194/2.2
= 88.1 kg.
Calculate pt dosage
Dose = 5mcg/kg
= 88 x 5
Dose = 440 mcg/min.
For an hour, the dose = 440 X 60 = 26400 mcg/hr
Convert the dosage mcg into mg
1mg = 1000mcg
= 26400 / 1000
= 26.4mg/hr.
Calculate the flow rate
Flow rate (mL/hr) = Ordered dose per hour / Dose on hand X volume
= 26.4 / 400 x 25
Flow rate = 16.4mL/hr
Calculate drop rate:
Total infusion time = Total volume / flow rate
= 400 / 16.4 = 24.3
Total infusion time = 24 (rounded off).
Drop rate = Total volume of infusion x drop factor / Total time of infusion in min
Total volume of infusion = 400
Drop factor = 60gtt/min
Total time of infsion = 24 x 60 (to convert into min)
Drop factor = 400 x 60 / 24 x 60
Drop factor = 16.6 drops /min
Order: 5 mcg/kg/min for a pt that weighs 194 lbs. You have 400 mg in a...
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