- acute renal failure
- (ARF) renal failure of sudden onset, such as from physical trauma, infection, inflammation, or toxicity; symptoms include uremia and usually oliguria or anuria, with hyperkalemia and pulmonary edema. Three types are distinguished: prerenal, associated with poor systemic perfusion and decreased renal blood flow, such as with hypovolemic shock or congestive heart failure; intrarenal, associated with disease of the renal parenchyma, such as tubulointerstitial nephritis, acute interstitial nephritis, or nephrotoxicity; and postrenal, resulting from obstruction of urine flow out of the kidneys.
Medical dictionary. 2011.
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