This document discusses continuous renal replacement therapy (CRRT) for acute kidney injury (AKI). It begins by defining CRRT and describing its indications, including life-threatening conditions like hyperkalemia and pulmonary edema. It recommends starting CRRT early in AKI and discusses modalities like CVVH, CVVHD, and CVVHDF. The document provides details on how to perform CRRT, such as catheter placement and settings. It also addresses complications and suggests using bicarbonate-based fluids and biocompatible membranes. In summary, the document provides a comprehensive overview of CRRT for AKI, including indications, modalities, procedures, and recommendations to optimize outcomes.