Question

The hcp has ordered cefazolin 500 mg ivpb every 6 hours. the pharmacy sends cefazolin 500 mg in 50 ml of d5/w and it is to run over 1 hour via an infusion pump. the drop factor of the ivpb set is 60 gtt per ml. what is the hourly rate? __________ml/hr what would the hourly rate be if the hcp ordered the cefazolin to run over 30 minutes?_____________ ml/hr

Answer 1

It is to be noted that the flow rate is 50mL/h for the first instance, and;

100mL/h for the second instance.

What is flow rate?

Flow rate (Fr) is computed with the following formula:
Fr (mL/h) = Volume (mL)/ Time (Hours)

Given that the drop factor of the IVBP set is 60 gtt per ml. what is the hourly rate?

Time = 1 hour

Volume = 50 mL

It is to be noted that we don't need 500mg because it is already infused into the 50mL solution) hence,

Hourly flow rate = unknown

To compute for Flow Rate (Fr)

Recall that:

Fr (mL/h) = Volume (mL)/ Time (Hours)

Inserting the values we have
Fr = 50/1

Fr = 50mL/h

What would the hourly rate be if the hcp ordered the cefazolin to run over 30 minutes?

We have been given the following:
Time = 0.5 hours (30 minutes = 0.5 hours)

Volume = 50mL

It is to be noted that we don't need 500mg because it is already infused into the 50mL solution) hence

Fr = 50/0.5

Fr = 100 mL/h

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