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Chapter 23: Problem 90

A client with an infectious process is receiving IV vancomycin (Vancocin). When will the nurse instruct the laboratory to draw blood for a 30-minute trough level if the Vancomycin IVPB is scheduled to be hung at 2000? ? A. 1900 ? B. 1930 ? C. 2000 ? D. 2030

Short Answer

Expert verified
Answer: B. 1930

Step by step solution

01

Understand trough levels

Trough levels refer to the lowest concentration of a medication in the bloodstream, usually measured just before the next scheduled dose. Monitoring trough levels helps ensure proper dosing and avoid potential side effects caused by excessively high or low blood concentrations of the medication.
02

Identify the time of the IVPB administration

The IV vancomycin (Vancocin) is scheduled to be hung at 2000 (8:00 PM). This is the time when the medication administration will begin.
03

Determine the time for a 30-minute trough level

In this case, the laboratory should draw blood for a 30-minute trough level. Since trough levels are usually measured just before the next scheduled dose, we need to subtract 30 minutes from the scheduled administration time of 2000 (8:00 PM).
04

Calculate the time for blood sample collection

To find the time for blood sample collection, subtract 30 minutes from the scheduled administration time: 2000 - 0030 ------ 1930 So the nurse should instruct the laboratory to draw blood at 1930 (7:30 PM).
05

Identify the correct answer

Based on the calculation, the correct answer is: ? A. 1900 ? B. 1930 (Correct) ? C. 2000 ? D. 2030

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