Journal of Biomedical Engineering and Medical Devices
Open Access

The Impact of Medical Physics on Healthcare

Ben Bertholet^{* *}Correspondence: Ben Bertholet, Department of Radiation Research, IEO European Institute of Oncology, IRCCS, Milano, Italy, Email:

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About the Study

The application of physics concepts to medicine or healthcare is known as medical physics. It’s a method for using physician knowledge of physics to create instruments and medical procedures that improve human life and health. It employs physics principles and techniques for prevention, detection, and treatment. Medical physics primarily focuses on ionizing radiation measurement, magnetic resonance imaging, and applying physics-based technologies in medicine. Radiation protection, diagnostic radiology, nuclear medicine, and radiotherapy are some of the subfields of medical physics. Although nuclear medicine has therapeutic components related to radiation therapy, diagnostic radiology and nuclear medicine are frequently combined under the level of "diagnostic imaging."

Intensity-modulated radiation therapy

Intensity-Modulated Radiation Therapy (IMRT) has enhanced the ability of radiation to control tumors. IMRT uses computer programs to precisely shape the treatment field and control the accelerator beam in order to deliver a maximal dose of radiation to a tumor while minimizing the doses to surrounding healthy tissues. IMRT is already in use for treating prostate cancer, cancers of the brain, head and neck and other malignant diseases, in children and in adults. Intensity-Modulated Radiation Therapy (IMRT) has upgraded the capacity of radiation to control cancers. IMRT utilizes computer programs to properly shape the therapy field and control the gas pedal bar to convey a maximal portion of radiation to a growing tumor, while limiting the dosages to encompassing healthy tissues.

Better detection of cancer

Techniques for cancer imaging have undergone extensive advances since the creation of the authentic film techniques. The early emulsion films were changed with extra sensitive films and finally with digital imaging. As with every one of these more recent techniques brought to the patient, doses to the patient have been decreased and the sensitivity of the strategies for finding early and treatable disease has been elevated. Computeraided analysis, as well as the use of MRI and CT for cancer imaging, expected to improve cancer detection and treatment in the twenty-first century. MRI cancer imaging is particularly useful for detecting growth in younger women.

Matter/antimatter collision imaging

Another developing approach used to locate diseases in human beings of all ages is Positron Emission Tomography (PET). This method makes use of quick-lived radionuclides produced in cyclotrons. These nuclides are classified into compounds such as glucose, testosterone, and amino acids to display physiological factors which include blood flow and glucose metabolism. These images can be essential in detecting seizures, coronary heart disease, and ischemia. In cancer care, PET imaging is used to locate tumors and evaluate the fulfilment of treatment courses, in addition to detecting early recurrent disease.

Ensuring the safety of people who get CT scans

Concerns about CT scans consist of the risks from exposure to ionising radiation and possible reactions to the intramuscular contrast material or dye, which may be used to improve visualization. Exposure to ionising radiation may cause a small increase in a person’s lifetime chance of developing cancer. Exposure to ionising radiation is a specific challenge in pediatric patients because the cancer risk in line with a unit dose of ionising radiation is higher for younger patients than for adults, and younger patients have an extended lifetime for the consequences of radiation exposure to patent as cancer.

Medical physics moments in history

X rays: Medical x-rays are used to generate pictures of tissues and systems within the body. If x-rays traveling through the body also pass through an x-ray detector on the other side of the patient, an image will be formed that represents the “shadows” formed by the objects inside of the body.

Magnetic resonance: MRI is a non-invasive imaging technique that produces three-dimensional specific anatomical photographs. It is based on state-of-the-art technology that excites and detects the alternate within the course of the rotational axis of protons located in the water that makes up living tissues.

Radioimmunoassays: A Radioimmunoassay (RIA) is a totally sensitive in vitro assay method used to measure concentrations of materials, typically by using antibodies. A RIA makes use of radiolabeled molecules that make use of the stepwise formation of immune complexes.

Computer-assisted tomography: It is diagnostic imaging approach that makes use of X-ray radiation associated with a computer system that reconstructs circumferential statistics acquisition into axial image slices.

The application of physics to medicine is known as medical physics. It applies physics principles and techniques to the avoidance, detection, and treatment of disease. Medical physics plays a significant part in medicine, biological and medical research, and the optimization of several health-related activities. Radiotherapy physics, diagnostic radiology physics, nuclear medicine physics, and radiation protection are some of the subfields of medical physics.