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Doctor insights on: Pro Time Blood Test Inr

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My 10 year old girl has an rash, still not diagnosed. May be petechiae. No other symptoms. Blood test normal, except for longer INR time. Ideas?

My 10 year old girl has an rash, still not diagnosed.  May be petechiae.  No other symptoms.  Blood test normal, except for longer INR time.  Ideas?

More info needed: A picture is worth a thousand words. Obviously a picture would be helpful to see as well as location. ...Read more

Dr. Afshine Emrani
261 doctors shared insights

Inr (Definition)

Could mean interventional neuro radiology which is minimally invasive field, or international normalized ration which is a lab ...Read more


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My recent blood test INR 1.12 APTT ratio 1.16 Beta-2 Microglobulin 1.50mg/L are they ok?

My recent blood test
INR 1.12
APTT ratio 1.16
Beta-2 Microglobulin 1.50mg/L
are they ok?

It depends: Yes these values are all within normal limits, but depending upon the issues of what these tests were performed for that could either be a good thing or a bad thing or possibly indifferent. ...Read more

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Recurring petechiae spots on back of hands (doctor confirmed). Blood test a week ago showed normal platelets, normal PPT/INR. Alarming?

Recurring petechiae spots on back of hands (doctor confirmed). Blood test a week ago showed normal platelets, normal PPT/INR. Alarming?

Possible vasculitis: Petechiae may be blanching or non blanching. ie goes away when you press on it and then returns when you let go vs. not going away. Low platelets are a cause but not the only cause. Vasculitis or inflammation of the blood vessels may also do this. Normal platelets does not rule out this possibility. Its not normal to have petechial rash and needs workup with an internal medicine doctor ...Read more

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How often should i have to do a pt/inr blood test while taking Coumadin (warfarin) long term after massive pulmonary embolism ?

How often should i have to do a pt/inr blood test while taking Coumadin (warfarin) long term after massive pulmonary embolism ?

Warfarin monitoring: How often your INR needs to be checked depends on the stability achieved on your dosing regimen. On the average, if stable INRs are established, checks every two weeks or sometimes less frequently are done. If the INR isn't stable, more frequent checks are often necessary. ...Read more

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What is the prothrombin time in a blood test?

Measures clot factor: This is a test that measures clotting factor activity. All these factors are synthesized in the liver, except factor viii, so this is also a check on the capability of the liver as well. If this is high, it can be from a deficiency or incabability of the factors or a liver failure issue, like cirrhosis, or a vitamin k deficiency from fat malabsorption. This shoud be worked-up dr.'s office. ...Read more

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What does it mean if my prothrombin time blood test is high?

What does it mean if my prothrombin time blood test is high?

Blood clotting : Defective. Prolonged prothrombin time can be due to deficiency of a number of coagulation factors. A common cause it treatment with warfarin/coumdain. Liver disease is an other common reason for prolonged pt. Depending on the prolongation, the person may be at risk of bleeding. ...Read more