Automated Coagulation Flashcards
1
Q
What are the principles of coagulation testing?
A
Mechanical (Impedance/Electromagnetic)
Photometric (Turbidity/Nephelometry)
Chromogenic (Chromophore)
Immunologic (D-Dimer)
2
Q
What’s the difference between Turbidity and Nephelometry?
A
Turbidity: Change/Increase in density
Nephelometry: Scattered light
3
Q
How do we calculate INR?
A
INR = Patient PT/Geometric mean PT ^ ISI
