azotemia

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Related to postrenal azotemia: azotemic, prerenal azotemia

azotemia

 [az″o-te´me-ah]
an excess of nitrogenous waste products in the blood. (This is the most precise name for the condition, although in the literature it is commonly referred to as uremia.) See also uremia. adj., adj azote´mic.

az·o·te·mi·a

(az'ō-tē'mē-ă),
An abnormal increase in concentration of urea and other nitrogenous substances in the blood plasma.
See also: uremia.
[azo- (azote) + G. haima, blood]

azotemia

(ăz′ə-tē′mē-ə, ā′zə-)
n.
See uremia.

az′o·te′mic (-mĭk) adj.

azotemia

Nephrology A higher than normal blood urea–BUN or other nitrogen-containing compounds in the blood; ↑ BUN may be: (1) prerenal, due to ↓ renal blood flow–with ↓ glomerular filtration rate–GFR and/or excess urea production, seen in dehydration, shock, ↓ blood volume, and CHF; (2) renal, with ↓ GFR due to acute or chronic renal failure; (3) postrenal, due to urinary tract obstruction or perforation with extravasation of urine; ↓ BUN occurs in pregnancy–due to ↑ GFR, malnutrition, high fluid intake, severe liver disease–↓ protein production. See Uremia.

Azotemia

The presence of excess nitrogenous wastes in the blood.