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Christmas Disease : Tests

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Tests Overview Articles

Hemophilia B
If you are the first person in your family to have a bleeding disorder, you will undergo a series of tests called a coagulation study. Once the specific defect has been identified, other family members will need less testing to diagnose the disord...
Source:ADAM
Date:March 21, 2008

Specific Tests Articles

Bleeding time
This is a test that measures the speed at which small blood vessels close off to stop bleeding (the condition of the blood vessels) and platelet function.
Source:ADAM
Date:March 9, 2007
Bleeding Time
Bleeding time is a crude test of hemostasis (the arrest or stopping of bleeding). It indicates how well platelets interact with blood vessel walls to form blood clots.
Source:Gale Encyclopedia of Medicine
Factor IX assay
Factor IX assay is a blood test that measures the activity of factor IX -- one of the substances involved in coagulation (blood clotting).
Source:ADAM
Date:February 26, 2007
Fibrinogen
This is a test that measures the amount of fibrinogen in the blood.
Source:ADAM
Date:March 8, 2007
Fibrinogen Test
Fibrinogen (Factor I) is a protein that originates in the liver. It is converted to fibrin during the blood-clotting process (coagulation).
Source:Gale Encyclopedia of Medicine
Physical examination
During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body) Palpation (feeling the body with hands) Auscultation (listening to sounds) Percussion (producing sounds)
Source:ADAM
Date:January 22, 2007
Partial thromboplastin time (PTT)
This is a test that measures clotting time in plasma (the liquid portion of blood). It focuses on a specific pathway in the blood clotting process.
Source:ADAM
Date:March 9, 2007
Partial Thromboplastin Time
The partial thromboplastin time (PTT) test is a blood test that is done to investigate bleeding disorders and to monitor patients taking an anticlotting drug (heparin). Purpose Diagnosis Blood clotting (coagulation) depends on the action of substances in the blood called clotting factors.
Source:Gale Encyclopedia of Medicine
Prothrombin time (PT)
This is a test that measures the clotting time of plasma (the liquid portion of the blood).
Source:ADAM
Date:March 9, 2007
Prothrombin Time
The prothrombin time test belongs to a group of blood tests that assess the clotting ability of blood. The test is also known as the pro time or PT test.
Source:Gale Encyclopedia of Medicine
Coagulation Tests
Hemostasis has been described as "a process by which the body spontaneously stops bleeding and maintains blood in the fluid state within the vascular compartment." There are at least four major systems that are involved in this complex process: the vasculature system, the platelets, the fibrin-forming system, and the fibrin- lysing system.
Source:Gale Encyclopedia of Nursing and Allied Health
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