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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Anesth Analg. 2016 Dec;123(6):1372–1379. doi: 10.1213/ANE.0000000000001413

Table 2.

Measured and calculated test results reported by the Quantra Surgical Cartridge.

Quantra Test Result Units Description
Clot Time Minutes (min) Clot time measured from channel 1
Heparinase Clot Time Minutes (min) Clot time measured from channel 2 in the presence of heparinase
Clot Time Ratio Unit less Calculated ratio of clot time values from channels 1 and 2
Clot Stiffness hecto Pascals (hPa) Clot stiffness measured from channel 3
Fibrinogen Contribution hecto Pascals (hPa) Clot stiffness measured from channel 4 in the presence of a platelet inhibitor
Platelet Contribution hecto Pascals (hPa) Calculated from clot stiffness in channels 3 and 4