Medical Physicist

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Responsibilities of a Medical Physicist in Radiation Therapy

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Medical Physicist

  1. 1. Medical Physicist <ul><li>The essential responsibility of the Qualified Medical Physicist is to assure the safe and effective delivery of radiation to achieve a diagnostic or therapeutic result as prescribed in patient care. </li></ul><ul><li>The main subfields of Medical Physics are: </li></ul><ul><ul><li>Therapeutic Radiological Physics </li></ul></ul><ul><ul><li>Diagnostic Radiological Physics </li></ul></ul><ul><ul><li>Medical Nuclear Physics </li></ul></ul><ul><ul><li>Medical Health Physics. </li></ul></ul>
  2. 2. American Association of Physicists in Medicine <ul><li>The American Association of Physicists in Medicine  (AAPM) is a scientific, educational, and professional organization of more than 6,500+ medical physicists. </li></ul><ul><li>The purposes of the AAPM are to </li></ul><ul><ul><li>promote the application of physics to medicine and biology </li></ul></ul><ul><ul><li>encourage interest and training in medical physics and related fields </li></ul></ul><ul><li>The AAPM has established Medical Physics as its primary scientific and informational journal. </li></ul><ul><li>The AAPM is a Member of the American Institute of Physics.  </li></ul><ul><li>Detailed information on Medical Physics can be found on the AAPM Website . </li></ul>
  3. 3. AAPM Task Groups <ul><li>One of the functions of the AAPM is to form task groups to study a particular area of Medical Physics and publish reports in the Medical Physics journal.  </li></ul><ul><li>The responsibilities of a Radiation Oncology Physicist are discussed in Task Group 45 -&quot;AAPM code of practice for radiotherapy accelerators&quot;   (Med. Phys. 21 (7), July 1994) </li></ul><ul><li>The following slides list the responsibilites  ( Appendix B of TG45) </li></ul>
  4. 4. AAPM TG45 Medical Physicist Responsibilities <ul><li>(1) To develop requirements and specifications for the purchase of appropriate equipment. </li></ul><ul><li>(2) To plan the facilities to house the accelerator (including shielding design). </li></ul><ul><li>(3) To participate in, oversee, and monitor facility construction as needed. </li></ul>
  5. 5. AAPM TG45 Medical Physicist Responsibilities <ul><li>(4) To monitor machine installation by the manufacturer and provide assistance as needed. </li></ul><ul><li>(5) To perform acceptance testing of the machine after installation. </li></ul><ul><li>(6)   To commission the machine for clinical use. </li></ul>
  6. 6. AAPM TG45 Medical Physicist Responsibilities <ul><li>(7) To establish methods for special clinical procedures and to acquire the necessary dosimetry data for them. These include special eye blocks, breast setups, total crania-spinal irradiation setup, electron arc, intraoperative electrons, total skin irradiation, total body irradiation, stereotactic radiotherapy, etc. </li></ul><ul><li>(8) To establish procedures for monitor unit calculations for the accelerator. </li></ul>
  7. 7. AAPM TG45 Medical Physicist Responsibilities <ul><li>(9) To establish methods for the determination of dose distributions in the patient irradiated by the accelerator. </li></ul><ul><li>(10) To participate in patient data acquisition, treatment planning and implementation, and evaluation of radiation treatments using the accelerator. </li></ul><ul><li>(11) To implement and monitor a quality assurance program for personnel safety. </li></ul>
  8. 8. AAPM TG45 Medical Physicist Responsibilities <ul><li>(12) To implement and monitor a quality assurance program for patient safety and accuracy of dose delivery. </li></ul><ul><li>(13) To implement and monitor a maintenance schedule for the accelerator. </li></ul><ul><li>(14) To develop new procedures which may lead to better and more cost-effective use of accelerators in radiation oncology. </li></ul>
  9. 9. Compliance with Regulations and Standards <ul><li>Nuclear Regulator Commission (USNRC) sets national standards and regulates the use of radioactive materials. USNRC website </li></ul><ul><li>Florida Bureau of Radiation Control (FLBRC) has an agreement with the USNRC to regulate radioactive materials in the state of Florida at most facilities. Also regulates radiation producing machines. FLBRC website </li></ul>
  10. 10. Compliance with Regulations and Standards <ul><li>America Association of Physicists in Medicine AAPM Website </li></ul><ul><li>Health Physics Society HPS website </li></ul><ul><li>National Council on Radiation Protection and Measurements NCRP website </li></ul><ul><li>International Commission on Radiation Units and Measurements ICRU website </li></ul><ul><li>International Commission on Radiological Protection ICRP website </li></ul>

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