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  2. Lactate dehydrogenase - Wikipedia

    en.wikipedia.org/wiki/Lactate_dehydrogenase

    Elevated LDH in the setting of upper respiratory symptoms in a HIV patient suggests, but is not diagnostic for, PCP. However, in HIV-positive patients with respiratory symptoms, a very high LDH level (>600 IU/L) indicated histoplasmosis (9.33 times more likely) in a study of 120 PCP and 30 histoplasmosis patients. [32]

  3. Lactic acidosis - Wikipedia

    en.wikipedia.org/wiki/Lactic_acidosis

    This happens predominantly in tissues (especially muscle) that have high levels of the "A" isoform of the enzyme lactate dehydrogenase (LDHA), which predominantly converts pyruvate into lactate. The lactate is carried by the bloodstream to other tissues where it is converted back to pyruvate by the "B" isoform of LDH (LDHB).

  4. Lactate dehydrogenase b - Wikipedia

    en.wikipedia.org/wiki/Lactate_dehydrogenase_b

    This gene encodes the B subunit of lactate dehydrogenase enzyme, which catalyzes the interconversion of pyruvate and lactate with concomitant interconversion of NADH and NAD+ in a post-glycolysis process. Alternatively spliced transcript variants have been found for this gene.

  5. Cardiac marker - Wikipedia

    en.wikipedia.org/wiki/Cardiac_marker

    Lactate dehydrogenase (LDH) LDH is not as specific as troponin. 72 hours Lactate dehydrogenase catalyses the conversion of pyruvate to lactate. LDH-1 isozyme is normally found in the heart muscle and LDH-2 is found predominantly in blood serum. A high LDH-1 level to LDH-2 suggest MI. LDH levels are also high in tissue breakdown or hemolysis.

  6. Rhabdomyolysis - Wikipedia

    en.wikipedia.org/wiki/Rhabdomyolysis

    Elevated concentrations of the enzyme lactate dehydrogenase (LDH) may be detected. [13] [19] Other markers of muscle damage, such as aldolase, troponin, carbonic anhydrase type 3 and fatty acid-binding protein (FABP), are mainly used in chronic muscle diseases. [19]

  7. Liver function tests - Wikipedia

    en.wikipedia.org/wiki/Liver_function_tests

    Lactate dehydrogenase (LDH) is found in many body tissues, including the liver. Elevated levels of LDH may indicate liver damage. [18] LDH isotype-1 (or cardiac) is used for estimating damage to cardiac tissue, although troponin and creatine kinase tests are preferred. [19]

  8. Anaerobic glycolysis - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_glycolysis

    When sufficient oxygen is not present in the muscle cells for further oxidation of pyruvate and NADH produced in glycolysis, NAD+ is regenerated from NADH by reduction of pyruvate to lactate. [4] Lactate is converted to pyruvate by the enzyme lactate dehydrogenase. [3] The standard free energy change of the reaction is -25.1 kJ/mol. [6]

  9. Lactate threshold - Wikipedia

    en.wikipedia.org/wiki/Lactate_threshold

    Muscles are producing lactate even at rest, with resting blood lactate levels in the 1–2 mmol/L range. [6] Although the lactate threshold is defined as the point when lactic acid starts to accumulate, some testers approximate this by crossing the lactate threshold and using the point at which lactate reaches a concentration of 4 mmol/ L of ...