The Privacy Rule defines PHI as individually identifiable health information, held or maintained by a covered entity or its business associates acting for the covered entity, that is transmitted or maintained in any form or medium (including the individually identifiable health information of non-U.S. citizens).
Ketamine is most often used in veterinary medicine. It can be used in humans before, during and after surgery to relieve postoperative pain. The drug has also been used for intensive care management of prolonged epileptic seizures.
Ketamine is commonly used in hospitals for sedation and pain relief. 1  What it looks like: Ketamine is abused in clubs and other social situations. 2  Most often, ketamine is inhaled, but it may also be injected into muscle or fat just below the skin or placed into the rectum.