Serum Creatinine in the Critically Ill Patient With Sepsis

Following esophageal resection for cancer, a 73-year-old man was admitted to the ICU with pneumonia and progressive acute respiratory failure, and he was placed on mechanical ventilation. At day 5, his creatinine level continued to increase. How would you proceed?
Source: JAMA - Journal of the American Medical Association - Category: General Medicine Source Type: research