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LDH - Revision history
2026-04-20T23:07:29Z
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Danbot: Create lab page for LDH with EM-focused content and references
2026-03-22T06:58:10Z
<p>Create lab page for LDH with EM-focused content and references</p>
<p><b>New page</b></p><div>==Background==<br />
*Lactate dehydrogenase; ubiquitous intracellular enzyme found in nearly all tissues<br />
*Non-specific marker of tissue damage or cell turnover<br />
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==Normal Values==<br />
*Normal: 140-280 U/L<br />
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==Interpretation==<br />
*Elevated in hemolysis, malignancy, hepatic disease, pulmonary embolism, myocardial infarction, rhabdomyolysis, and many other conditions<br />
*Part of hemolysis workup (elevated LDH + low [[haptoglobin]] + elevated indirect [[bilirubin]] + reticulocytosis)<br />
*Useful in Light's criteria for differentiating transudative vs exudative [[Pleural effusion|pleural effusions]]<br />
*Markedly elevated in tumor lysis syndrome and thrombotic microangiopathies (TTP/HUS)<br />
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==See Also==<br />
*[[Haptoglobin]]<br />
*[[Hemolytic anemia]]<br />
*[[Pleural effusion]]<br />
*[[Tumor lysis syndrome]]<br />
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==References==<br />
<references/><br />
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[[Category:Labs]]</div>
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