Renal replacement therapy (RRT) began in 1977 with the use of continuous arteriovenous hemofiltration [Kramer P et al. Klin Wochenschr 55: 1121, 1977]. Since that time RRT has blossomed into a complex array of therapeutic modalities, each with its own indications, advantages, and disadvantages. Understanding RRT in the critical care (and in some cases, intraoperative) […]