Drug calculation?

Question

1) Doctor order 1.5 liters of gingers solution to be given over an 8 hour period. The giving set administers 20 drops per ml ,how many drops per minute will be administrated?

2)A patient is to receive 2000 ml of dextrose 5% over 24 hours ,via giving set that deliver 10 drops per ml .how many drops per minute will be administered?

Answer 1

1) First convert the number of hours into minutes.

8 hours = 8 * 60 mins = 480 mins

Then convert the liters into ml

1.5 liters = 1.5 * 1000 ml = 1500 ml

Then find how many drops for the 1.5 liters

1500 ml * 20 drops per ml = 30000 drops

Then find how many drops per minute

30000 drops / 480 mins = 62.5 drops per minute

2) Again find the number of mins in 24 hours

24 hours * 60 mins = 1440 mins

You know that you have 2000 ml and 10 drops per ml so a total of :

2000 ml * 10 drops per ml = 20000 drops

Then find the drops per minute

20000 / 1440 mins = 13.89 drops per minute.