Azotaemia refers to an increase in the blood concentrations of '''urea''' and '''creatinine'''. Azotaemia occurs almost exclusively with renal failure that results in an inability to excrete these two metabolic products. | Azotaemia refers to an increase in the blood concentrations of '''urea''' and '''creatinine'''. Azotaemia occurs almost exclusively with renal failure that results in an inability to excrete these two metabolic products. |