Question

In: Nursing

The patient is orderedvancomycin 750 mg to infuse IV at 7.5mg/kg/hr for a client weighing...

The patient is ordered vancomycin 750 mg to infuse IV at 7.5mg/kg/hr for a client weighing 50 kg.

What is the mg/hr for this patient? ________ mg/hr

The pharmacy sends vancomycin 750 mg in 250 mL of D5W.

The pump will be set at ______ mL/hr

How long will the infusion last?

Expert Solution

The patient is ordered vancomycin 750 mg

Infusion rate is 7.5 mg /kg/hr

Weight of the patient is 50 kg

1) what is mg/ hr for this patient.?

In the question, it is given that infusion rate is 7.5 mg/kg/hr means we have to give 7.5 mg per kg body weight for each hour.

Here, weight of patient is 50 kg

so, the dosage to be given for this patient per hr can be calculated as

7.5 mg/kg/hr × 50 kg

= 375 mg/hr.

2) The pump will be set at .....ml/hr.?

The pharmacy sends vancomycin 750 mg in 250 ml of D5W.

Which means 750 mg vancomycin is present in 250 ml D5W

For this patient we have to give 375 mg vancomycin per 1 hr

so, we have to calculate how much fluid contain 375 mg vancomycin.!

Let us assume 375 mg vancomycin is present in 'X' ml

750 mg ➡️ 250 ml D5W

375 mg ➡️X ml D5W

so, X = 375 mg × 250 ml ÷ 750 mg

= 125 ml

So,375 mg is present in 125 ml

As we have to infuse 375 mg/hr and 375 mg is present in 125 ml infusion pump should be set at 125 ml/hr.

3)How long will the infusion last.?

The infusion will last for 2 hrs.

( As 125 ml is infused in 1 hr, 250 ml will be infused in 2hrs)

Nightingale answered 2 years ago

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