 'Emergency Medical Technician' is a term that has existed for many years in the United Kingdom, but has no single defined scope.They may also be known as 'EMT', 'Ambulance Technician' or simply, 'Technician'.Most Emergency Medical Technicians hold an Institute for Healthcare Development (IHCD, now defunct) Ambulance Technician certificate and are employed in private ambulance companies or in National Health Service Ambulance Trusts.