Azotaemia | definition of azotaemia by Medical dictionary
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Related to azotaemia: SLE
azotaemia A higher than normal blood urea (BUN) or other nitrogen-containing compounds in the blood. Increased BUN may be:
• Prerenal, due to decreased renal blood flow, with decreased glomerular filtration rate (GFR) and/or excess urea production—seen in dehydration, shock, decreased blood volume and congestive heart failure;
• Renal, with decreased GFR due to acute or chronic renal failure; or
• Postrenal, due to urinary tract obstruction or perforation with extravasation of urine; decreased BUN occurs in pregnancy due to increased GFR, malnutrition, high fluid intake, severe liver.
azotaemia URAEMIA. The clinical syndrome resulting from failure of the kidneys.
References in periodicals archive
If a patient develops symptomatic hypotension or pre-renal azotaemia
, then decreasing or temporarily withdrawing the diuretic (24-48 hours) is preferable to discontinuing the ACEI.
Urine analysis suggesting prerenal azotaemia
was seen in 26% and suggesting intrinsic renal azotaemia
Despite limited evidence, some authorities advocate initiating renal replacement therapy before the development of clinical azotaemia
in critically ill patients with ARF.