1st April 2022

A 42-year-old woman on ITU develops new hypoxia

A 42-year-old woman on ITU develops new hypoxia. A chest x-ray shows consolidation in her left upper lobe, and she is diagnosed with hospital-acquired pneumonia. As per the local trust guidelines, she is commenced on intravenous vancomycin, and a weight-adjusted regimen is started, with the first dose given at approximately 8 am.  The guidelines state that the dose should be adjusted based on serum-vancomycin levels.

Which of the following is the correct time to measure serum-vancomycin levels, as therapeutic drug monitoring? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.