Which Of The Following Data Would A Clinician Consider As Most Indicative Of Acute Renal Failure?

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Which Of The Following Data Would A Clinician Consider As Most Indicative Of Acute Renal Failure?

a) Decreased serum creatinine and blood urea nitrogen (BUN); decreased potassium and calcium levels b) Decreased urine output; hematuria; increased GFR c) Alterations in blood pH; peripheral edema d) Increased nitrogenous waste levels; decreased glomerular filtration rate (GFR).
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Increased nitrogenous waste levels; decreased glomerular filtration rate (GFR). The hallmark of acute renal injury is azotemia, an accumulation of nitrogenous wastes such as creatinine, urea nitrogen, and uric acid plus a decrease in the GFR of the kidneys. While pH alterations, edema, electrolyte imbalances and decreased urine output may accompany acute renal failure, they are all potentially attributable to other pathologies. Creatinine, GFR and BUN would be unlikely to rise during renal failure.
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