| Test name |
Test result |
Normal range |
| Heparin PF4 antibody ELISA |
Positive, O. D. 2.45 |
O.D. <1.0 |
| Serotonin Release Assay |
Positive
84% and 85% at low doses of unfractionated heparin (UFH), 0.1 IU/ml and 0.5 IU/ml respectively
7% at high dose UFH at 100 IU/ml |
negative
normal <20% at both low dose heparin levels
less than 50% reduction from that of the low dose level |
| VWF protease activity (ADAMTS 13) |
<1% |
68-163% |
| VWF protease inhibitor |
3.0 BEU |
<0.4 BEU |
Lupus Anticoagulant (DRVVT)
Baseline
4 months later |
Detected
Detected |
Not detected
Not detected |
Anti cardiopipin IgG Ab
Baseline
4 months later |
10 U/ml
17 U/ml |
0-14 U/ml
<10 U/ml |
Phosphatidylserine Ig G Ab
Baseline
4 months later |
Not done
43 U/ml |
<10 U/ml |
