What is ISI?
ISI Stands for International Sensitivity Index – The sensitivity of a thromboplastin in the coagulation cascade.
What is MNPT?
MNPT stands for Mean Normal Prothrombin Time – An average figure set by the World Health Organisation.
What is PT?
PT Stands for Prothrombin Time – The time is takes for your blood to clot.
What is INR?
INR stands for International Normalised Ratio – Your result.
Why is it important?
If someone’s INR is too low, blood clots can arise.
If someone’s INR is too high, they may experience uncontrollable or dangerous bleeding. Bleeding is a complication and a potentially dangerous side effect associated with all blood thinning medications.
A patient wishing to start self-testing should always consult their clinician in the first instance.