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Discussion

NURSING MATH HELP!!!!!

I have three questions that I just can not get! I think I am over analyzing them. All help is very much appreciated!!

D5W 500 ML plus NaCI 20 mEq to be administered at 19 ml/hr. NaCI is supplied in a 40 ML ampule containing 2.5 mEq per ML. How many ML of NaCI will be added to the 500 ML of D5W?

Dobutamine 1 G in 250 ML D5 1/2 N.S. Infuse at 12 MCG/KG/MIN for a patien weighing 75LBS. Drop factor is 60 MCGTT/ML. How many MCGTT/MIN?

Heparin 30,000 units in 250 ML d5W IV to infuse at 10 ML/HR. You have Heparin 20,000 units/ML. Drop factor is 60 GTT/ML. How many ML of Heparin should be added to the IV solution?

Thankyou soooo much!!!!!!

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  • Experts

d5w 500 ml plus naci 20 meq to be administered at 19 ml/hr. naci is supplied in a 40 ml ampule containing 2.5 meq per ml. how many ml of naci will be added to the 500 ml of d5w?

20 meq
(dose desired)
/2.5 meq
(dose on hand)
x 1 ml
(amount the dose on hand comes in)
=
8 ml
(amount of nacl to add to the 500 ml of d5w)

dobutamine 1 g in 250 ml d5 1/2 n.s. infuse at 12 mcg/kg/min for a patient weighing 75lbs. drop factor is 60 mcgtt/ml. how many mcgtt/min?

12 mcg/ minute
(dose desired)
x 75 pounds
(patient weight)
/2.2 pounds
(conversion to kg)
x 250 ml/1 gram
(dose on hand)
x 1 gram/1,000,000 mcg
(conversion factor)
x 60 gtts/ml
(drop factor of iv tubing)
= 6.1363636 gtts/minute
, rounded off to
6 gtts/minute
(drip rate)

heparin 30,000 units in 250 ml d5w iv to infuse at 10 ml/hr. you have heparin 20,000 units/ml. drop factor is 60 gtt/ml. how many ml of heparin should be added to the iv solution?

this is the same as the first problem. . .

30,000 units
(dose desired)
/20,000 units
(dose on hand)
x 1 ml
(amount the dose on hand comes in)
=
1.5 ml
(amount of heparin to add to the d5w)

  • Author

Thankyou soooooo much!!! You are a life saver :)

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