RRT can stand for different things depending on the context. Here are some possible meanings:

• Registered Respiratory Therapist: This is a credential awarded to respiratory therapists who pass the Therapist Multiple-Choice (TMC) and Clinical Simulation (CSE) examinations. The RRT credential is nationally recognized as the "standard of excellence" for respiratory care professionals.

• Renal Replacement Therapy: This is a term used to refer to modalities of treatment that are used to replace the waste filtering functions of a normal kidney.

• Rapid Resolution Therapy: This is a form of psychotherapy designed to help individuals overcome the ongoing effects associated with traumatic experiences.

• Rapid Response Team: This is a team of healthcare professionals who respond to medical emergencies within a hospital. The team typically consists of an experienced Critical Care Unit Nurse and a Respiratory Therapist.

Its important to note that RRT can have other meanings depending on the context, but these are some of the most common ones.