Medical Definition of Keshan disease
Keshan disease: A condition caused by deficiency of the essential mineral selenium. Keshan disease is a potentially fatal form of cardiomyopathy (disease of the heart muscle). It was first observed in Keshan province in China, and it has since been found in other areas where the selenium level in the soil is low. Treatment involves selenium supplementation.
Last Editorial Review: 5/13/2016
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