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What Is A INR Level?


INR stands for international normalized ratio and is measured with a blood test called PT-INR. PT stands for prothrombin time. The test measures how much time it takes for your blood to clot and will determine if you’re receiving the right dose of warfarin.

What is a healthy INR level?

Prothrombin time test results are given in a measurement called an INR (international normalized ratio). The normal range for clotting is: 11 to 13.5 seconds. INR of 0.8 to 1.1.

What does an INR of 1.5 mean?

A result of 1.0, up to 1.5, is therefore normal. A low INR result means your blood is ‘not thin enough’ or coagulates too easily and puts you at risk of developing a blood clot. A high INR result means your blood coagulates too slowly and you risk bleeding.

What does it mean if INR and PT are high?

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. When your PT or INR is too high, you have an increased risk of bleeding.

Is 2.6 INR good?

The Japanese Circulation Society guideline has recommended prothrombin time-international normalized ratios (PT-INR) of 1.6 – 2.6 for elderly patients and 2.0 – 3.0 for non-elderly patients, because previous observational studies indicated increased risk of bleeding when the ratio exceeded 2.6.

How do I bring my INR down?

It is most important to eat a healthy, consistent, and balanced diet. Certain foods and dietary supplements have vitamin K. Vitamin K works against warfarin. If you eat more vitamin K, it can decrease your INR.

Can high INR cause stroke?

People not taking warfarin have an INR of around 1 but patients with a mechanical heart valve should have an INR in the range of 2.5 to 3.5 to prevent their body creating a blood clot which could travel to the brain and cause a stroke.


Can you eat bananas while taking warfarin?

So, go bananas! But be sure to eat green bananas in normal portions and make sure you keep testing your regular blood test to make sure your INR doesn’t drop below your target range.

Why do you take warfarin at 6pm?

In order to shorten the response time for making a dosing change, patients are traditionally advised to have their INR test in the morning and to take their warfarin in the evening (so that the INR test result will be back in time to change that day’s warfarin dose if needed).

Is INR 0.9 Bad?

The INR is intended to standardize reporting of the prothrombin time. For patients NOT on anticoagulants, the reference range for the INR is 0.9- 1.2. The recommended therapeutic range for warfarin is an INR of 2.0-3.0. (Exception: The recommended range for many mechanical valves is INR 2.5-3.5.)

What are the symptoms of a low INR?

These symptoms may include swelling, redness, tenderness and/or warmth in one leg or one area of one leg and generalized leg pain, difficulty breathing, chest pain, shortness of breath, breathing quickly, dizziness, Page 2 increased heart rate or low blood pressure, partial or total paralysis, inability to speak or

What is a bad INR reading?

INR values over 4.5 increase the risk of major haemorrhage (bleeding), and an INR less than 2 increases the risk of thromboembolism (formation of blood clots within the blood vessels) and associated conditions such as heart attack and stroke.

What is considered dangerously high INR?

A value higher than 3.5 increases the risk of bleeding problems. Many things can affect the way warfarin works. Some natural health products and other medicines can make warfarin work too well. That can raise the risk of bleeding.

What are the side effects of a high INR?

Signs of bleeding or a high INR: Nosebleeds that do not stop. Gums bleed when you brush your teeth. Coughing up blood. Vomit (throw-up) that looks like coffee grounds.

Is INR 4.5 high?

INR 4.5– 10.0 Bleeding risk High.

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