Disease that can cause Acute renal failure (ARF)

75 % of all cases of ARF is most often the result of a 

These differences in renal function are of primary importance in distinguishing between the major forms of ARF.

Differentiate prerenal azotemia from ATN 

In summary, there is no single test that can always distinguish prerenal azotemia from ATN. The proper approach is to rely on all available clinical information and lab tests.

Pre renal azotemia

A reduction in renal blood flow is the most common cause of ARF. 

Acute Tubular Necrosis