Tested for Gentamicin in Blood
Normal range: 5.0 - 10.0 ug/mL
Day 519: 4.4 
Day 520: 2.5 
Day 520: 0.8 
Day 521: 0.3 

Tested for Gentamicin in Blood
Trend is decreasing
Abnormality: 
Low values on days 519, 520, 521
