How do you approach the management of a patient with an ileostomy who has recurrent prerenal AKI episodes that improve with IV fluids but worsen with each attempt to transition to oral fluids alone?  

This can be a difficult problem to deal with. In addition to electrolyte losses and volume depletion, these patients can have problems with caloric and micronutrient/vitamin depletion, so close collaboration with a nutritionist and gastroenterologist is important. Assuming the ileostomy can't be rev...