Lactate Dehydrogenase (LDH)
Lactate Dehydrogenase (LDH) FAQ
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LDH Blood Test - More Information
The lactate dehydrogenase test, sometimes known as an LD lab test or an LDH test, checks the lactate dehydrogenase blood level.
Lactate dehydrogenase (LD or LDH) is an enzyme that, in normal situations, helps a molecule called pyruvate convert into lactate. LD helps reduce muscle fatigue by regenerating energy to active muscles. In the setting of muscle damage, particularly heart muscle and blood cells, LDH is released by cells and tissues and blood levels go up. Additionally, high lactate dehydrogenase levels can be seen in cancer, chronic medical conditions such as lung or liver disease, and situations where red blood cells (RBCs) are breaking down.
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