Azotemia is the excessive content in the blood of some products of nitrogen metabolism: urea, uric acid, creatinine, creatinine and other Azotemia is most often due to lack of renal excretory function (see Jade), but may also depend on vnepochechny factors: decrease of diuresis (eg, heart failure), difficulty of urine output (hypertrophy of the prostate, compression of the ureters), increased protein breakdown. See also the residual Nitrogen, Nitrogen metabolism.