Azotemia overview

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Azotemia is neither a disease entity nor a clinical syndrome. It is a laboratory finding defined as an elevation in the concentration of nitrogenous waste products in the blood. Azotemia may suggest either kidney or non-kidney diseases. Azotemia is generally caused by either an increased synthesis of nitrogenous waste products (liver injury or skeletal muscle injury) or a reduced loss of nitrogenous waste products (acute or chronic kidney injuries).