Medical Physics and its Applications


Medical physics is the use of physics principles in the practice of medicine. It is most often used to describe physics applications related to the use of radiation in medicine—for example, the physics of diagnostic radiology, radiation oncology, and nuclear medicine. More broadly defined, medical physics may include the physics of other electromagnetic waveforms used in medical procedures such as electrocardiography (the study of electrical impulses in the heart ) and laser surgery.

Diagnostic radiological physics

Diagnostic radiological physics is the branch of physics associated with diagnostic procedures that use xrays, gamma rays, ultrasound, radio frequency radiation, and magnetic sources (magnetic resonance imaging ). In this subfield, physicists advise on the protocols and technology used for the creation of images that are generated by these diagnostic methods. Responsibilities of the medical physicist include establishing, monitoring, and evaluating procedures related to equipment use; reporting to regulatory agencies on compliance matters; evaluating and monitoring equipment; and acting as consultant on matters related to instrumentation, equipment, and use of these radiological imaging systems.

Therapeutic radiological physics

Therapeutic radiological physics concerns itself with the physics of therapeutic procedures that use x rays, gamma rays, neutrons, charged particles, and radionuclides from sealed sources (radioactive material that is sealed permanently in a container). These therapeutic procedures are often used in the treatment of cancer and include external beam therapy (where ionizing radiation is directed at the cancer site) and brachytherapy (where containers with radioactive material are placed near or in the tumor).

Medical nuclear physics

Also known as nuclear medicine physics, medical nuclear physics is the study of physics related to medical procedures requiring the use of radionuclides (except those radionuclides from sealed sources). These procedures may be diagnostic or therapeutic, and include such procedures as single photon emission computed tomography (SPECT), positron emission tomography (PET ), and radioimmunotherapy (radioisotopes attached to molecules that can be targeted to cancer cells).

Medical health physics

The medical health physicist specializes in issues related to radiation safety in medical procedures. The medical health physicist takes part in designing and specifying the radiation shielding required to protect patients, health care workers, and the general public; conducts risk assessment of procedures and protective equipment used in radiological and nuclear medicine; acts as consultant on issues related to radiation safety in a medical context; and evaluates and monitors compliance with regulatory radiation guidelines.

Journal of Medical Physics and Applied Sciences is an academic journal and aims to publish most complete and reliable source of information on the discoveries and current developments in the mode of original articles, review articles, case reports, short communications, etc. in all areas of the field and making them freely available through online without any restrictions or any other subscriptions to researchers worldwide.

We are inviting the worldwide researchers and scholars to share their valuable research work in our journal. Our Journal emphasizes high-level research and education. Original research articles, reviews, short communications, and letters to the editors in the field of Medical Physics are welcome. Every effort is made to have a speedy and critical peer-review process. We always encourage new research works under the scope of our Journal. You can submit the manuscript as an email attachment to


Eliza Miller

Journal of Medical Physics and Applied Sciences


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