Cardiac arrhythmias ventricular fibrillation is one of the life threatening diseases that can now be treated definitely by one of the major advancements in the field of medical physics, the defibrillation. A defibrillator is used during the process of defibrillation in which, affected heart is given a therapeutic dose of electrical energy. In the result, a serious mass of muscle of heart is depolarized resulting in the termination of arrhythmia that allows the reestablishment of natural pacemaker of the human heart. In specific, external, as well as, implanting defibrillators are now available in the market, which can be employed according to situation of the patients.Imaging guidance is utilized to perform invasive procedures in one of the subspecialties of radiology, interventional radiology, another significant treatment contributed by the medical physics. As angiography has earlier been discussed in the paper, it is one of the diagnostic purposes of interventional radiology. On the other hand, angioplasty is used for treating disease. Catheters or needles are used for directing the procedures during angioplasty. Some other procedures of interventional radiology are chemoembolization, thrombolysis, biopsy, cryoablation, biliary intervention, etc. All these procedures have contributed enormously in different aspects of healthcare and medicine.Unlike radiology in which, radiation is used to diagnose the disease, cancer treatment is performed by radiation therapy through the utilization of ionizing radiation for controlling malignant cells in the body. Commonly, adjuvant cancer treatment usually utilizes the radiotherapy, whereas, experts have indicated therapeutic usages of radiation therapy, as survival benefits have been observed during the therapy, which can be curative at some extent. Besides, trigeminal neuralgia and thyroid eye diseases are often treated with the help of radiation therapy that has been recognized as one of the most important treatments provided by medical physics.Photodynamic therapy is another feasible technology of medical physics that has contributed enormously in the treatment of cancer. In addition, psoriasis and acne treatment has also been investigated by the photodynamic therapy. Most of the renowned medical institutions have approved the photodynamic therapy as a feasible treatment for wet macular degeneration. (Bhudatt, 2006) In other words, medical physics has contributed
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