This document discusses acute kidney injury (AKI) in patients with sepsis. It recommends using isotonic crystalloids for initial volume expansion in at-risk patients and those with AKI. Albumin may have a role in patients requiring substantial crystalloid volumes or those with low serum albumin. Sodium bicarbonate administration has failed to improve hemodynamics in human studies of lactic acidosis and may increase risks. Guidelines are missing data on albumin benefits in low albumin patients and bicarbonate risks.