1.    250 mg of PCN in 100 ml to run over 30 minutes.  Drop factor 10 gtt/ml.

       What is the flow rate in gtt/min?

2.    Order: 40 MEq of Potassium

        Supply: 60 MEq in 10 ml

        How many ml do you give?

3.    Order: 150,000 units of Heparin in 1000cc to be given over 8 hours.

        How many units/minute are you giving?

Answers

1.    10 gtt/ml x 100 ml/30min = 33 gtt/min

2.    10 ml/60meq x 40meq/1 = 6.67 ml

3.    150,000u/8 hours x 1 hour/60 min = 312.5 u/min