Acute renal failure. Dr. H. N. Sarker MBBS, FCPS, MACP(USA) Associate professor medicine. Introduction.
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Acute renal failure
Dr. H. N. Sarker
MBBS, FCPS, MACP(USA)
Patients are usually oliguric (urine volume < 500 ml daily).
Anuria (complete absence of urine) is rare and usually indicates acute urinary tract obstruction or vascular occlusion
Hyperkalaemia is common
Metabolic acidosis .
Consensus criteria for the diagnosis of ARF are:
urine for R/E
Blood urea & electrolytes
. Renal ultrasound: usually required urgently to confirm/refute two equal-sized, unobstructed kidneys
Chest X-ray, X-ray KUB
In patients in whom dialysis is likely to be avoided, accumulation of urea is slowed by dietary protein restriction (to about 40 g/day)