Published Oct 10, 2012
suzana123
26 Posts
Hi all,I'm having problem with this question:A procainamide drip is ordered (2gms in 250ml D5W) to infuse at 4 mg/min. The patient weighs 165lb. Calculate the drip rate in ml/hr for which theinfusion pump will be set at. Many thanks
bayou
70 Posts
Step 1. Convert g to mg
2g =2000 mg
Step 2. How many hours will be used
2000 mg / 4 mg =500 mins = 500/60 =50/6 hrs
Step 3. 250 ml / 50/6hrs = 30 ml/hr
Patient weight no need in this case.
It can be solved in different way.
Thank you so much!! If it's not too much to ask what is the other way to solve this?Thanksl
lavender59
186 Posts
Here's another way to arrive at 30mL /hr using dimensional analysis.
Cross out units that are the same.
4mg/min x 1g/1000mg x 250mL/g x 60min/1hr = 60,000/2,000 =30mL/hr
Thank you all so much,
I'm taking NCLEX-RN on the 30th this month (2nd time).
I,m sooooooo scared
suzana123
26 Posts
Hi all,I'm having problem with this question:A procainamide drip is ordered (2gms in 250ml D5W) to infuse at 4 mg/min. The patient weighs 165lb. Calculate the drip rate in ml/hr for which theinfusion pump will be set at. Many thanks