Question

a nurse is preparing to administer clindamycin 300 mg by intermittent iv bolus every 8 hr. available is clindamycin injection 300 mg in 0.9% sodium chloride (0.9% nacl) 50 ml to infuse over 45 min. the nurse should set the iv pump to deliver how many ml/hr? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

Explanation:

Step1: Convert infusion time to hours

Since 1 hour = 60 minutes, then 45 minutes = $\frac{45}{60}= 0.75$ hours.

Step2: Use the formula for infusion rate

The formula for infusion rate (mL/hr) is $\text{Infusion rate}=\frac{\text{Volume (mL)}}{\text{Time (hr)}}$.
We have a volume of 50 mL and a time of 0.75 hours. So, $\text{Infusion rate}=\frac{50}{0.75}=\frac{50\times4}{0.75\times4}=\frac{200}{3}\approx 67$ mL/hr.

Answer:

67