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acute renal failure

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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. See also renal failure.

acute renal failure
Acute kidney failure Nephrology An abrupt decline in renal function, triggered by various processes–eg, sepsis, shock, trauma, kidney stones, drug toxicity-aspirin, lithium, substances of abuse, toxins, iodinated radiocontrast. Cf Chronic kidney failure.


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In the first week of October, it was diagnosed that she had developed acute renal failure and her white cell count was increasing.
Introduction Acute Renal Failure (ARF) is defined as a rapid decline in glomerular filtration rate (GFR), resulting in the disturbance of renal physiological functions including impairment of nitrogenous waste product excretion, loss of water and electrolyte regulation and loss of acid-base regulation (1).
The inquiry focused on patients suffering from acute renal failure, now commonly called acute kidney injury (AKI).
 
 
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