Methylprednisolone sodium 200 mg is ordered to be given q6h IVPB. Each dose is diluted in 50 ml solution according to the insert directions and administered over 30 minutes. The drop factor is 60 gtt/ml. Drop rate/min?
Question: Methylprednisolone sodium of 200 mg is to be given every 6 hours by IVPB. This dose is diluted in 50 mL solution and administered over 30 minutes. The drop factor is 60 gtt/ mL. Calculate the rate/min.
Sol:
Vol of dose to be administered is 50 mL
The duration of the administration is 30 minutes.
The drop factor is 60 gtt/ml
The formula to calculate the drop rate is
50/ 30 x 60 =100gtts/min. or 100 drops per minute
So the prescribed methylprednisolone sodium of 200mg diluted in 50 mL is given at a rate of 100 gtt/min. i.e. 100 drops per minute over 30 min.
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