Med Math: Drop Factors Question #17

Question

Now infuse the second amount as follows: (600 mL LR in 8 hours)
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Answers

  1. 30 mL/hr
    • Rationale:
  2. 125 mL/hr
    • Rationale:
  3. maintain at 100 mL/hr
    • Rationale:
  4. 75 mL/hr
    • Rationale:

Overview

Explanation

Lactated Ringer is to be infused for the second half of the order. You would need to know how much volume in ml you need per hour in order to solve. The total volume is set at 600 ml to be infused. The hour is not converted to minutes to solve the problem. The 600 ml to be infused is divided by 8 hours. It should be noted that the problem asks for the second part of the order which is the 8 hour not the first 4 hours of infusion time. There is a simple formula below for calculating the flow rate. The final answer should have ml/hr within.

ML

—– x 1 (understood to be 1 as in 1 hour)

Hrs

600 mL/8 hr = 75 mL/hr

Learning Outcomes

Test Taking Tip

Video Rationale