Tested for Sodium in Blood
Normal range: 133.0 - 145.0 mEq/L
Day 1: 137.0 
Day 537: 134.0 
Day 540: 130.0 
Day 541: 134.0 
Day 543: 136.0 
Day 656: 140.0 

Tested for Sodium in Blood
Trend is increasing
Abnormality: 
Low values on days 540
