This document provides information about hemodialysis. It defines what the kidneys are and their functions. It also defines and describes the different types of kidney failure, including acute and chronic failure as well as their causes. It discusses what dialysis is and the two main types: peritoneal dialysis and hemodialysis. Hemodialysis is described in more detail, including the nursing care needed before, during, and after the hemodialysis process. Potential complications of hemodialysis are also listed.