They provide their expertise on any question relating to the physics of radiation or any other physical agent in medical applications within their field of activity.
They are responsible for image quality, dosimetry and exposure to other physical agents.
In particular, he/she ensures that the equipment, data and calculation procedures used to determine and deliver the doses and activities of radioactive substances administered to the patient are appropriate and contribute to optimising exposure to ionising radiation.
The tasks and conditions of intervention of medical physicists in radiotherapy, nuclear medicine and medical imaging, in particular procedures carried out on medical prescription, are defined by decree in the Conseil d’Etat, issued after consultation with the Académie nationale de médecine.