Question

D5W is shorthand for a 5% glucose rehydration fluid used in IVs. The doctor orders 1200 mL D5W@ 30 gtts/min. You have an IV tube that delivers 18 gtts/cc. How many hours will it take for the 1200 cc bottle to infuse?

Answer 1

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Answer 2

Gtts means "guttae", drops. Its a latin term.

The speed of D5W should be 30 gtts/min

the IV tube is of 18gtts/mL (or cc)

[cc : cubic centimeter and 1cc = 1mL]

We have to deliver 1200mL

There are 18gtts in one millilitre

or for one mL we need 18gtts

So for 1200mL we need = 18 X 1200 gtts = 21600 gtts

as the speed is 30gtts / minute

so the time taken in minute for 1gtts will be = 1 / 30 minutes

for 21600 gtts time taken in minutes = 21600 / 30 = 720 minutes

60 minutes equals one hour

so time in hours required or taken for infusion of 1200mL = 720 / 60 = 12 hours