Tested for Digoxin in Blood
Normal range: 0.9 - 2.0 ng/mL
Day 19: 0.4 
Day 21: 0.6 
Day 22: 0.6 
Day 23: 0.7 
Day 31: 1.5 
Day 669: 0.6 

Tested for Digoxin in Blood
Trend is increasing
Abnormality: 
Low values on days 19, 21, 22, 23, 669
