Volume x drop factor

Time (min.)

125 ml/hr x 20 gtts/ml

60 min.

2500 = 42 gtts/min.

60

The order is to infuse 1500 ml of Ringer's lactate over the

next 24 hours. The drop factor of the tubing is 60 gtts/ml.

Determine the rate in gtts/min.

1500 ml x 60 gtts/ml

1440

90,000 = 63 gtts/min

1440

The order is to give 250 ml of Rheomacrodex (dextran 40)

over 45 minutes. The drop factor of the tubing is 10 gtts/ml.

Determine the rate in gtts/min.

250 ml x 10 gtts/ml

45

2500 = 56 gtts/min

45

b. **Practice Problems.**

(1) The patient is to receive 2000 ml of D5NS over 12 hours. The drop

factor of the tubing is 15 gtts/ml. Determine the infusion rate.

MD0904

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