Factor XI Activity Rosenthal

You need to provide

Blood

This test is for

Male, Female

Test Preparation

With prior consent from the treating physician, it is recommended to discontinue heparin for 1-day and oral anticoagulants for 7-days before sample collection, as these drugs may affect test results.
A duly filled coagulation requisition form (Annexure - CR/05) is mandatory for sample collection.
Overnight fasting is preferred but not mandatory.
Kindly provide complete clinical details and medication history or doctor's prescription; this information is important for correlation of your test results.

Understanding Factor XI Activity Rosenthal

What is Factor XI Activity Rosenthal?

This test detects the deficiency in factor XI protein involved in blood clotting. A mutation in F11 gene results in deficiency of Factor XI which leads to abnormal blood clotting and this condition is known as Haemophilia C and Rosenthal syndrome. This test is recommended in case of symptoms such as frequent nosebleeds, easy bruising, bleeding under the skin and gums, prolonged bleeding after trauma or surgery, especially inside the oral cavity, nasal cavities or the urinary tract. This is a genetic disorder and can be inhereted as well.

What is Factor XI Activity Rosenthal used for?

When symptoms of bleeding disorder appear including excessive unexplained bleeding or excessive blood clotting
When abnormal results appear in screening tests for coagulation factors
For patients who have a family history of being diagnosed by a bleeding disorder

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