Question

In: Nursing

20. order: dopamine 5 mcg/kg/min via infusion. nurse recieves 250 mL of normal saline. patient weight...

20. order: dopamine 5 mcg/kg/min via infusion. nurse recieves 250 mL of normal saline. patient weight 175lbs

what is the flow rate mL/h? round to nearest whole

25. order: 250 mg IV in 500 mL D5W to infuse at 26 mcg/min.

what is the flow rate mL/h?

29. order: pantoprazole 40mg IV to be given over 2 min. pantopraze has concentrtation of 4mg/mL.

a. what is total volume to be ibfused in mL?

b. calculate the number of mL to be pushed during each 30 second interval in mL? riund to nearest tenth

Expert Solution

Q20]

Prescribed rate of infusion : Dopamine 5 mcg/kg/min.

Total volume of the infusion = 250 ml.

Weight of patient : 175 lbs = 79.37 kg.

Rate of infusion prescribed : 5 mcg/kg/min = (5 79.37) mcg/min = 396.85 mcg / min.

Convert mcg/min to mg/hr.

396.85 mcg / min = (396.85 60) / 1000 mg / hour = 23.9 mg / hour.

23.9 mg od Dopamine has to be given in one hour.

Note : The concentration of the solution , that is ,how many mg of Dopamine in 250 ml normal saline is not mentioned in the question...

Assuming that 1 VIAL (= 200MG ) of DOPAMINE IS MIXED WITH 250 ML OF NORMAL SALINE,

200 mg dopmine is present in : 250 ml normal saline.

Therefore, 23.9 mg of dopamine is present in : (250/200) 23.9 = 29.8 ml / hour.

Q25] 3.12 ml / hour.

The dose prescribed = 26 mcg/min.

First, convert mcg/min to mg/hr.

The dose prescribed = 26 mcg/min = (26 60) / 1000 mg/hour = 1.56 mg / hour.

250 mg is present in 500 ml of D5W.

Therefore, 1.56 mg of the drug is present in : (500/250) 1.56 = 3.12 ml of the solution.

Therefore, the rate of infusion is 3.12 ml / hour.

Q 29]

CALCULATION

Prescribed dose : 40 mg IV over 2 minutes.

4 mg of the drug is present in : 1 ml of the solution.

Therefore, 40 mg of the drug is present in : 10 ml of the solution.

a) Total volume to be infused = 10 ml.

b) Volume to be pushed in 2 min = 10 ml.

Therefore, Volume to be pushed in 30 seconds = 10/4 = 2.5 ml.

Nightingale answered 1 year ago

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