# Pharmacy IV Calculation Question

by Victor
(Reseda)

A patient is receiving an infusion that started at 1400 hours. The bag used contained 500mL of 0.25% active drug diluted into 0.9% NaCl. The infusion pump was set to deliver 75mL/Hr. The surgeon ordered that the infusion run until the patient receive 750mg of the active drug. What time will the infusion be terminated?
A. 6:00 p.m.
B. 9:00 p.m.
C. 10:00 p.m.
D. 12:00 a.m.

### Comments for Pharmacy IV Calculation Question

 IV Calculations by: Jerry (in response to the entry right below)Not exactly. First: 1400 is 2 PM.For the Math:First determine how many mg/hour is being infused:[Think of this: 1000mg in 100mL is 1%, so, 0.25% is a quarter of that in 100mL]Then you can do a proportion math:250mg - - - - - - - - - X (your mg/hour)--------- = 0.25% = -------100mL - - - - - - - - 75mLThen divide 750mg by X (The infusion mg/hr) to get how many hours it will take.-----------------------------------------------This question has a bunch of filler, which you first have to filter out. Basically, the question could just look like this:A 0.25% solution is running at 75mL/hour. In how many hours will 750mg be infused? Then add that to 1400 and convert to o'clock hours.

 IV Math by: Anonymous 1400 hours is 3pm. 0.25 is 2500mg which is 0.25x1000.. then division is 2500÷750=3.333 Which Is 3 Hours So Answer Is A...Is The Math Correct On This Someone

 If you do not know military time do not use it. by: Anonymous 1400 is not 3pm It is 2pm