A syndrome with excessively high insulin levels in the blood. It may cause hypoglycemia. Etiology of hyperinsulinism varies, including hypersecretion of a beta cell tumor (insulinoma); autoantibodies against insulin (insulin antibodies); defective insulin receptor (insulin resistance); or overuse of exogenous insulin or hypoglycemic agents.
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RDF/XMLCreated 2006-01-19, last modified 2015-10-15