If you have started researching ketamine for mental health, you have probably run into a lot of similar-sounding terms: Ketamine treatment. Ketamine therapy. Ketamine-Assisted Therapy, or KAT. Ketamine-Assisted Psychotherapy, or KAP. IV ketamine.Ketamine infusions. They are often used interchangeably—but they do not always describe the same kind of treatment. And that difference matters. The most useful question may not be, “What does this clinic call it?” It may be: What act