However several factors could result in unreliable inr testing.
Pt inr finger stick machine.
Now you can test your inr anywhere anytime with the coaguchek xs system by roche.
The new coaguchek xs inr meter system for pst uses exclusive smart technology to give you fast accurate results from a simple fingerstick test a convenient more comfortable way of testing that patients on coumadin warfarin therapy say they prefer.
It has been recommended to repeat the finger stick if the results are extremely different than expected.
1 at home inr meter testing has never been easier.
The test determines the time required for complete activation of the extrinsic pathway of the coagulation cascade when initiated activated with a thromboplastin.
Your health care provider will identify the appropriate inr range when you are prescribed an inr test meter.
The inr is a laboratory measurement used to determine the effects of oral anticoagulants warfarin on the clotting system.
Inr machines are reliable and accurate in general these devices are accurate.
The i stat pt inr test is a whole blood determination of the prothrombin time used for monitoring oral anticoagulant warfarin therapy.
The meter has a screen that displays results and an opening for meter specific test strips.
A significantly off the chart result can always be confirmed with a conventional laboratory test.