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

What comes about through a PT/INR exam?

The exam could be finished on a blood sample from a vein or a fingertip.

For a blood sample from a vein:

A well being care experienced will consider a blood sample from a vein in your arm, working with a small needle. Right after the needle is inserted, a small volume of blood will be collected into a exam tube or vial. You could sense a tiny sting when the needle goes in or out. This typically requires fewer than five minutes.

For a blood sample from a fingertip:

A fingertip exam could be finished in a provider’s office environment or in your residence. If you are taking warfarin, your company could advocate you exam your blood frequently working with an at-residence PT/INR exam package. In the course of this exam, you or your company will:

• Use a small needle to puncture your fingertip
• Collect a drop of blood and position it on to a exam strip or other distinctive instrument
• Position the instrument or exam strip into a product that calculates the benefits. At-residence equipment are small and light-weight.

If you are working with an at-residence exam package, you will will need to critique your benefits with your company. Your company will enable you know how he or she would like to obtain the benefits.