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  2. Elevated transaminases - Wikipedia

    en.wikipedia.org/wiki/Elevated_transaminases

    The following refer to the "upper reference limit" (URL), also known as the "upper limit of normal" (ULN), which depend on the source and are typically 40-50 U/L (0.67-0.83 μkal/L) for both AST and ALT. While values vary between individuals, the following are typical AST and ALT patterns: [11] [12] [13] [14]

  3. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    A reference range is usually defined as the set of values 95 percent of the normal ... is commonly used for e.g. liver function tests like AST, ALT ... Upper limit ...

  4. Hy's law - Wikipedia

    en.wikipedia.org/wiki/Hy's_law

    Often with aminotransferases much greater (5-10x) than the upper limit of normal. Among subjects showing such aminotransferase elevations, they also have elevation of their serum total bilirubin of greater than 2× the upper limit of normal, without findings of cholestasis (defined as serum alkaline phosphatase activity less than 2× the upper ...

  5. AST/ALT ratio - Wikipedia

    en.wikipedia.org/wiki/AST/ALT_ratio

    The proportion of AST to ALT in hepatocytes is about 2.5:1, but because AST is removed from serum by the liver sinusoidal cells twice as quickly (serum half-life t 1/2 = 18 hr) compared to ALT (t 1/2 = 36 hr), so the resulting serum levels of AST and ALT are about equal in healthy individuals, resulting in a normal AST/ALT ratio around 1.

  6. Reference range - Wikipedia

    en.wikipedia.org/wiki/Reference_range

    The lower limit is more affected by increasing coefficient of variation, and its "critical" coefficient of variation of 0.213 corresponds to a ratio of (upper limit)/(lower limit) of 2.43, so as a rule of thumb, if the upper limit is more than 2.4 times the lower limit when estimated by assuming normal distribution, then it should be considered ...

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  8. Alanine transaminase - Wikipedia

    en.wikipedia.org/wiki/Alanine_transaminase

    Alanine transaminase (ALT), also known as alanine aminotransferase (ALT or ALAT), formerly serum glutamate-pyruvate transaminase (GPT) or serum glutamic-pyruvic transaminase (SGPT), is a transaminase enzyme (EC 2.6.1.2) that was first characterized in the mid-1950s by Arthur Karmen and colleagues. [1]

  9. Women are being notified that they need to take action if ...

    www.aol.com/women-being-notified-action-dense...

    "During that time, I received a 'normal' mammogram report every one of those years. The cancer was present, but because my breasts were so dense, the cancer could not be seen. The day my cancer ...