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Case Three
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Based on her presentation and inital laboratory studies, the clinician is concerned about a hypercoagulable state due to a factor deficiency or inhibitor and orders the following tests.
Test Name
Value
Normal
Units
PTT-LA
61
27-36
sec
Mixing Study 1:1
0 minutes
59
27-36
sec
60 minutes
57
27-36
sec
dRVVT
1.63
0.8-1.44
ratio
PNP
5.8
0-6.0
sec
HEX PL
9.7
0-8.0
sec