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However, very high elevations of the transaminases suggests severe liver damage, such as viral hepatitis, liver injury from lack of blood flow, or injury from drugs or toxins. Most disease processes cause ALT to rise higher than AST; AST levels double or triple that of ALT are consistent with alcoholic liver disease. [citation needed]
An AST/ALT ratio >5 necessarily involves extrahepatic tissue, as death of hepatocytes alone would produce an AST/ALT ratio no greater than 2.5. [9] Because the primary cause is extrahepatic, typically an isolated elevated AST is seen, with no change in ALT. Common causes include bone disease, chronic renal failure, lymphoma, and congestive ...
Adult-onset Still's disease (AOSD) is a form of Still's disease, a rare systemic autoinflammatory disease characterized by the classic triad of fevers, joint pain, and a distinctive salmon-colored bumpy rash. The disease is considered a diagnosis of exclusion. [1] Levels of the iron-binding protein ferritin may
AST was defined as a biochemical marker for the diagnosis of acute myocardial infarction in 1954. However, the use of AST for such a diagnosis is now redundant and has been superseded by the cardiac troponins. [21] Laboratory tests should always be interpreted using the reference range from the laboratory that performed the test.
The current diagnosis criteria for MS do not allow doctors to give an MS diagnosis until a second attack takes place. Therefore, the concept of "clinical MS", for an MS that can be diagnosed, has been developed. Until MS diagnosis has been established, nobody can tell whether the disease one is dealing with is MS. [citation needed]
ALP activity is significantly increased in the third trimester of pregnancy. [11] This is due to increased synthesis from the placenta as well as increased synthesis in the liver induced by large amounts of estrogens. [11] [12] [13] Levels in the third trimester can be as much as 2-fold greater than in non-pregnant women. [11]
Rheumatoid arthritis is a condition that cannot be cured but symptoms can be treated using certain medications alone or in conjunction. Due to the increased inflammatory response of the body's immune system, this condition can cause a reduction in red and white blood cells. [8]
It is instead a diagnosis made after a thorough clinical history, documentation of common symptoms, clinical evaluation, and exclusion of all other possible conditions. [ 1 ] The diagnosis of primary Evans syndrome is made upon blood tests to confirm not only hemolytic anemia and immune thrombocytopenic purpura, but also a positive direct ...
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