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what is a critical value for prothrombin time

A 41-year-old member asked:
Dr. Azen Jukic
27 years experience Pathology
Value: What is the value?

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A 31-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Extrinsic pathway of: Clotting. Pt is dependent on levels of multiple coagulation factors, including x, ix vii, v, and ii.
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A 42-year-old member asked:
Dr. Steven Eisenberg
24 years experience Hematology and Oncology
Repeat test.: A shortened clotting time that does not appear to reflect technical error has been associated with an increased risk of thrombosis, recurrent thrombos ... Read More
A 23-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
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 n ... Read More
A 46-year-old member asked:
Dr. Nguyen Nguyen
49 years experience Pediatrics
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 conditio ... Read More
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A 28-year-old male asked:
Dr. Leena Varughese
12 years experience Pathology
PTT: Prothrombin time provides information regarding the extrinsic pathway involved in clot formation. It's commonly used to monitor warfarin therapy.
A 29-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
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-matur ... Read More
A 47-year-old member asked:
Dr. Nguyen Nguyen
49 years experience Pediatrics
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 ... Read More
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A 42-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Yes.: Prothrombin times about three times higher than normal for the particular lab may be a risk for abnormal bleeding.
A 40-year-old member asked:
Dr. Ed Friedlander
43 years experience Pathology
No: I wish every question was this easy

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