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Thank you so much chare for taking the time to help me with this!!! I have come across several problems that seem to be missing pertinent information and thought I was misinterpreting the questions. Unfortunately I spend too much time on these problems and become frustrated which leads to second guessing on all my answers.

5.5 hours. Starting time 10 a.m. Completion time 3:30 p.m. If i had 1,000 ml bag, the 1st 500 mL would infuse in 30 minutes then the order states to set the IV for 100 mL/Hr. The remaining fluid would take 5 hours to infuse.

Thank you! The fluid challenge is 500 mL over 30 min then set the pump for 100 ml/hr. The problem doesn't state the total volume for the IV. Just the starting time of 10 a.m. This is why I am so lost in this problem. Am I reading the problem incorrectly?

I know I need the starting time, 500 ml over 30 minutes, and then to set the IV to 100 mL/hr thereafter to determine the amount of time it will take to complete the infusion. The 15 drops per mL i believe is the distractor. Unless, I need it to calculate for the first 30 minutes on infusion where I get 250 ml over 30 minutes leaving the balance of 250 ml to be infused at 100 mL/hr. Therefore the total infusion time would be 3.5 hours. I don't think that's right. I hope I am making sense!! Thank you again for your help!

Thank you for responding! I am actually at a complete loss on this one. I calculated 500 mL over 30 min and got 16.7 mL/min but that would be an infusion of all 500 mL in 30 minutes. I'm not sure how to factor in the 100 mL/Hr thereafter. I have spent a lot of time on this problem and know the solution is right in front of me but I stumped. If you could point out any factor that I may be overlooking, I would appreciate it.

I'm having some issues with the formula for the following question. Any guidance would be greatly appreciate. The patient is receiving a fluid challenge of 500 mL N/S over 30 minutes and then the IV is to run 100 mL/hr. You hang the fluid at 10 a.m. with Abbot tubing at 15 drops/mL. What time should the fluid be completely infused? Thank you!