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.
[hide]This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) The Radiation Therapist, Therapeutic Radiographer or Radiotherapist is an allied health professional who works in the field of radiation oncology.