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.
Histamine. Histamine is a chemical the immune system uses to help protect the body's cells against infection. The immune system is the body's natural defence against illness and infection. If the immune system detects a harmful foreign object, such as bacteria or a virus, it will release histamine into nearby cells.