What is a dangerous INR level?

What is a dangerous INR level?

If an INR score is too low, a patient can be at risk for a blood clot. However, if the INR is too high, patients could also experience bleeding. A typical INR score ranges between 2 to 3.

What does an INR of 0.9 mean?

PT results often are reported as an international normalized ratio (INR) that's expressed as a number. A typical range for a person not taking blood thinner medication is 0.9 to about 1.1. For someone taking warfarin, the planned INR is usually between 2 and 3.5.

Is an INR of 1.8 Dangerous?

An INR of 1.9 or less is associated with an almost doubling of risk for thrombosis compared to an INR within the therapeutic range. So, a dose increase is likely warranted. … Agatha needs a warfarin dose adjustment to bring her INR from 1.8 to at least 2.0 (goal = 2.5, therapeutic range = 2.0-3.0).

What is a normal PT and INR?

Most of the time, results are given as what is called INR (international normalized ratio). If you are not taking blood thinning medicines, such as warfarin, the normal range for your PT results is: 11 to 13.5 seconds. INR of 0.8 to 1.1.

What does an INR of 4 mean?

The INR, or International Normalized Ratio, is a measure of how long it takes your blood to clot. … The higher your PT or INR, the longer your blood takes to clot. An elevated PT or INR means your blood is taking longer to clot than your healthcare provider believes is healthy for you.