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What is Lactose intolerance in a suspected patient is diagnosed by giving an oral load of lactose and measuring concentration of: and explain in detail?
b. H2 (Ref: Nelson's 20/e p 2870, Ghai 8/e p 297)Breath hydrogen tests can be used to determine a specific carbohydrate malabsorption.It can be used to diagnose bacterial overgrowth or lactose/fructose malabsorption.