http://www.globalrph.com/kinetics.htm
By D.McAuley, GlobalRPh Inc
Note:
changes in renal function may not reflect nephrotoxicity.
Other causes of acute renal failure occurring in hospitalized patients, include:   
          - Severe or prolonged hypotension (decreased renal perfusion)   
          - Surgery   
          - Other nephrotoxic drugs: amphotericin, cisplatin, etc.   
          - Acute cardiovascular dysfunction