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Doctor insights on: Prothrombin Fragment 1 2

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When would a baby of 1-2 months need prothrombin time testing? What are they looking for?

When would a baby of 1-2 months need prothrombin time testing? What are they looking for?

Unexplaind bruises: When a doctor orders prothrombin time and other clotting tests, he/she is probably looking for a bleeding disorder that may explain bruises in a baby that young. ...Read more

Dr. Shimae Fitzgibbons
210 doctors shared insights

Prothrombin Time (Definition)

Prothrombin time provides information regarding the extrinsic pathway involved in clot formation. It's commonly used ...Read more


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Can i tell me if my normal prothrombin level is 2-3, what happens when it is 11 or higher?

Can i tell me if my normal prothrombin level is 2-3, what happens when it is 11 or higher?

PT or INR?: The normal prothrombin time is closer to 10 seconds. You may be confusing the INR, although an INR is normally 1.0 ; if you take certain types of blood thinners it could be 2-3. So, if you are asking what happens if your INR is >= 11: You could bleed to death. It is nothing to fool around with. ...Read more

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What happens if your normal prothrombin level is 2-3, what happens when it is 11 or higher?

What happens if your normal prothrombin level is 2-3, what happens when it is 11 or higher?

You may be confused: INR is a measure of blood clotting and is often kept at about 2 if you are on warfarin. An INR of 11 would be EXTREMELY dangerous and put you at very high risk of bleeding On the other hand, prothrombin levels measure a specific clotting factor and may have normal values (not on anticoagulants) near 11 depending on a particular lab. ...Read more

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What is prothrombin?

What is prothrombin?

Clotting factor: When activated, prothrombin becomes thrombin, which among other effects turns fibrinogen into the stick for fibrin to create a molecular meshwork that will become the basis for the scab. Protrombin time is a conventional name for one assay of the ability of the clotting factors (not platelets) to keep blood in the vessels. ...Read more

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What does a prothrombin time measurement do?

Extrinsic pathway of: Clotting. Pt is dependent on levels of multiple coagulation factors, including x, ix vii, v, and ii. ...Read more

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Decrease in prothrombin time can lead to what?

Decrease in prothrombin time can lead to what?

Repeat test.: A shortened clotting time that does not appear to reflect technical error has been associated with an increased risk of thrombosis, recurrent thrombosis, recurrent miscarriage, or bleeding, and may increase the risk of thrombosis associated with other common thrombotic risk factors (eg, factor v leiden, obesity, increased levels of d-dimer). ...Read more

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How can I get a normal range of prothrombin time?

How can I get  a normal range of prothrombin time?

12 Seconds, but INR: Normal prothrombin time varies a from lab to lab; the average value is about 12 seconds. To compensate for the variability, the ratio of each lab's normal to the patient value is reported as international normalized ratio (inr) and an inr of 1.0 is normal. ...Read more

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What does an abnormal prothrombin time test mean for you?

What does an abnormal prothrombin time test mean for you?

Abnormal clotting : An abnormal prothrombin time means that there is something wrong with your blood's ability to form clots and prevent bleeding. There are many conditions that result in such an abnormality, and you need to have your doctor figure out what the problem is based on other test findings and your symptoms. Sometimes you'll need a hematologist to consult if there is a chance of a serious bleeding problem. ...Read more

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What is the definition or description of: prothrombin time?

What is the definition or description of: prothrombin time?

PTT: Prothrombin time provides information regarding the extrinsic pathway involved in clot formation. It's commonly used to monitor warfarin therapy. ...Read more

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My baby was tested for prothrombin time. His value is 16. Ok?

My baby was tested for prothrombin time. His value is 16. Ok?

Depends: Pt of 16 is higher than the normal in most laboratories. However, the value needs to be taken in the context of other issues. Was the baby pre-mature? Is there any abnormal bleeding? Was the baby given vitamin k and pt repeated? It would be prudent to consult your pediatrician. ...Read more

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What does it mean when a prothrombin test comes back abnormal?

What does it mean when a prothrombin test comes back abnormal?

Possibly: It means that there are some issues with blood clotting. More tests would need to be done to pinpoint the cause. ...Read more

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I want to know what food should I eat so that my result of my prothrombin test get in normal range?

I want to know what food should I eat so that my result of my prothrombin test get in normal range?

Why is it abnormal?: What is your pt? If prolonged, how much, and why? Pt may be prolonged due to vitamin k deficiency, which is rare, and you can make up for that by eating green leafy vegetables or taking a supplement. However, prolonged pt is may be due to liver disease or some medication you may be taking. Discuss the matter with your doctor. ...Read more

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Is high prothrombin rate because of any heriditary ?because i and my wife dont have nor any of family member?

Is high prothrombin rate because of any heriditary ?because i and my  wife dont have nor any of family member?

Unclear question: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have helped if you had provided the actual result. Prothrombin rate is not a commonly know test, unless you meant to say, prothrombin time. You may consult this site for information: https://www.nlm.nih.gov/medlineplus/ency/article/003652.htm ...Read more

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My prothrombin time is 14.3 & inr is 1.32 . I am on acitrom 3 & acitrom 4 on alternate days... is it ok?

My prothrombin time is 14.3 & inr is 1.32 . I am on acitrom 3 & acitrom 4 on alternate days... is it ok?

Anticoagulation: Your INR appears subtherapeutic and you will need an adjustment in your anti vitamin K meds. Please call your prescriber and ask about recommendations regarding your doses. ...Read more

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If prothrombin timing is 9.2 secs and the prothrombin index 119.6 with INR at 0.85 what does it indicate and how it can be rectified? Pl inform me.

Very confusing: There are too many numbers -- if you are taking Coumadin or warfarin, you need to have pt(protime) and inr(international ratio) monitored every month -- commonly the therapeutic range of inr is between 2 and 3. So if your inr is 0.85, then your warfarin dose is not enough -- please discuss this with your monitoring doctor! ...Read more

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High prothrombin time levels affect bleeding?

High prothrombin time levels affect bleeding?

Yes.: Prothrombin times about three times higher than normal for the particular lab may be a risk for abnormal bleeding. ...Read more

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What is the difference between thrombin and prothrombin?

What is the difference between thrombin and prothrombin?

Activation: Prothrombin{ II } is converted to Thrombin {IIa} ,the active form of the clotting enzyme by activated factor Xa and cofactor Va . This is the final common pathway for thrombosis. Thus Thrombin is just activated prothrombin. ...Read more

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What is thrombocytopenia and how is a prothrombin time test used?

What is thrombocytopenia and how is a prothrombin time test used?

Blood clotting: Thrombocytopenia means low level of blood plateletes. Prothrombin time is a test for extrinsic coagulation pathway that is initiated with factor vii. Vitamin k deficiency or use of Coumadin (warfarin) or liver function deficiency will prolong the prothrombin time, while several blood clotting diseases that affect intrinsic coagulation such as von willibrand or hemophila will not affect prothrombin time. ...Read more