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Mrs. Kelly is to have 1000 mL of I.V. solution with KCL 30 mEq added. The...

Mrs. Kelly is to have 1000 mL of I.V. solution with KCL 30 mEq added. The order states that the I.V. should infuse over the next 5 hours. The dose on hand is 40 mEq/10 mL. The drop factor is 60 gtt/mL.

a. How many mL of KCL will you add to the 1000 mL bag?

b. What will the flow rate be in mL/hr?

c. What will the flow rate be in gtt/min?

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Answer #1

A - KCL is pottassium chloride

Dose in hand is 40mEq/10 ml

Dose to be give -30mEq

Desired dose 30 30mEq

Desired dose ÷available concentration (units)*available concentration (volume )=mL per desired dose

30mEq÷ 40mEqmultiplied by 10mL=7.5mL

Hense 7.5 mL KCl to be add in fluid.

B- To calculate the flow rate in mL per hour

Flow rate( mL/hr) = Total volume (mL) ÷infusion time (hr)

Total volume in mL=1000mL

infusion time= 5 hours

Drop factor =60gtt/mL

1000÷5=200mL/hour

Hense the answer is 200mLper hour.

C - To calculate the drops per minute the drop factor is needed.

The formula for calculating IV flow rate (drip rate) is Total volume (in mL)÷ time (in min ) and multiplied by the drop factor.(in gtt/min)

Total volume =1000mL

total time 5 hours

In minutes 5X60=300 min

Drop factor is 60gtt/min

1000÷300x60=200 gtt/min is the answer

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