Tested for PTT in Blood
Normal range: 22.0 - 35.0 sec
Day 681: 23.4 
Day 681: 19.7 
Day 681: 21.9 
Day 692: 21.8 
Day 708: 20.2 

Tested for PTT in Blood
Trend is decreasing
Abnormality: 
Low values on days 692, 708
