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The partial thromboplastin time ( PTT ), also known as the activated partial thromboplastin time ( aPTT or APTT ), is a blood test that characterizes coagulation of the blood. A historical name for this measure is the kaolin-cephalin clotting time ( KCCT ), [ 1] reflecting kaolin and cephalin as materials historically used in the test.
The gel-like structure is strong enough to hold a steel ball. The prothrombin time ( PT) – along with its derived measures of prothrombin ratio ( PR) and international normalized ratio ( INR) – is an assay for evaluating the extrinsic pathway and common pathway of coagulation. This blood test is also called protime INR and PT/INR.
Treatment. None, immunosuppressants, platelet transfusion, surgical removal of the spleen [ 1] In hematology, thrombocytopenia is a condition characterized by abnormally low levels of platelets (also known as thrombocytes) in the blood. [ 2] Low levels of platelets in turn may lead to prolonged or excessive bleeding.
The thrombin time ( TT ), also known as the thrombin clotting time ( TCT ), is a blood test that measures the time it takes for a clot to form in the plasma of a blood sample containing anticoagulant, after an excess of thrombin has been added. [ 1] It is used to diagnose blood coagulation disorders and to assess the effectiveness of ...
003436. [ edit on Wikidata] Liver function tests ( LFTs or LFs ), also referred to as a hepatic panel, are groups of blood tests that provide information about the state of a patient's liver. [ 1] These tests include prothrombin time (PT/INR), activated partial thromboplastin time (aPTT), albumin, bilirubin (direct and indirect), and others.
Vitamin K 1 -deficiency may occur by disturbed intestinal uptake (such as would occur in a bile duct obstruction), by therapeutic or accidental intake of a vitamin K 1 -antagonist such as warfarin, or, very rarely, by nutritional vitamin K 1 deficiency. As a result, Gla-residues are inadequately formed and the Gla-proteins are insufficiently ...
PTT blood tests Vacutainer tube The diagnosis for deficiency of protein S can be done as part of a thrombophilia investigation, along with reviewing family history of thrombotic disease . [ 1 ] [ 11 ] [ 12 ] Testing for protein S deficiency should be delayed if there are causes for acquired deficiency or interfering factors.
Thromboplastin. Thromboplastin ( TPL) is derived from cell membranes and is a mixture of both phospholipids and tissue factor, neither of which are enzymes. Thromboplastin acts on and accelerates the activity of Factor Xa, also known as thrombokinase, [ 1] aiding blood coagulation through catalyzing the conversion of prothrombin to thrombin.
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