These premature discharges are due to electrical irritability of the heart muscle of the ventricles and can be caused by heart attacks, electrolyte imbalances, lack of oxygen, or medications. Immediately after a premature ventricular contraction, the electrical system of the heart resets.
A radiation therapist uses the process of ionizing radiation to treat cancer patients. Radiation therapists are also known as therapeutic radiographers or radiotherapists.They sometimes are incorrectly called radiation technicians or radiation therapy technicians.These terms are limited to the technician that actually operates the radiation ...adiation therapists might be employed in hospital radiation treatment departments. Radiation therapy may cause some cancer patients to experience nausea and vomiting. Some therapists may offer radiosurgery, which focuses beams of radiation directly at the tumor site.
The patient's radiation therapy is then planned by the radiation oncologist (with the help of the radiation therapists (BSRTTs), medical dosimetrists (CMDs) and medical physicists). It is then administered to the patient by the radiation therapists, with continual quality assurance performed by the medical physicists.