Lactate Dehydrogenase

Lactate dehydrogenase (LDH) is a protein (enzyme) that speeds up chemical reactions in the body. It is found in red blood cells and in many organs, including the heart, liver, muscles, lungs, brain, and kidneys.

A blood test to measure LDH levels is done to check for damage to organs throughout the body. Some conditions that increase LDH levels include stroke, heart attack, anemia, and hepatitis.

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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