They also conduct supervised routine tests and maintain medical laboratory equipment. Other occupations that are included in this category are Pathologists' assistants assist at autopsies and examinations of surgical specimens and perform autopsies under supervision. Respiratory and radiation therapists, medical sonographers and radiological technologists, nuclear medicine, cardiology, electromyography and electroencephalographic technologists perform diagnostic tests, X-rays and treatments. Clinical perfusionists operate and monitor circulation and other technical devices during open-heart surgery.
Dietary technicians assist food service professionals.
Prosthetists and orthotists design, build, fit and repair artificial limbs, braces and other prosthetics and orthotics. Prosthetic and orthotic technicians assist prosthetists and orthotists. The proportion of part-time workers in these occupations has increased significantly over the last 10 years. These rates are among the lowest for technical, paraprofessional and skilled occupations but among the highest for occupations in health. These earnings are among the lowest for occupations in health.