MedlinePlus

Prothrombin Time Test and INR (PT/INR): MedlinePlus Medical Test

What comes about in the course of a PT/INR take a look at?

The take a look at could be completed on a blood sample from a vein or a fingertip.

For a blood sample from a vein:

A wellness care skilled will just take a blood sample from a vein in your arm, working with a smaller needle. After the needle is inserted, a smaller amount of money of blood will be collected into a take a look at tube or vial. You could really feel a tiny sting when the needle goes in or out. This ordinarily can take much less than 5 minutes.

For a blood sample from a fingertip:

A fingertip take a look at could be completed in a provider’s place of work or in your property. If you are getting warfarin, your company could suggest you take a look at your blood on a

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