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Medical radiation protection essay
Radiation and its health effects
Radiation and its health effects
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Since the early start of x-rays which came at a high price due to long exposure times for good diagnostic images. It has many beneficial purposes in clinical applications and for those working in hospitals or other clinical settings, must protect themselves from the hazards of radiation exposure. X-rays machines have been first used since 1896, (Dec, 2010). In the initial stages of radiation in medicine, the concern was not of the risk to the patient, but to the health care worker being exposed to large doses. Thomas Edison assistant Clarence Dally died from a severe x-ray burn and radiation induced cancer in 1904. This was the first noted x-ray death in the United States (Chaffins, page 2). Subsequently after her death, radiologist were developing blood disorders such as leukemia at higher rates than the general public. This led to the development of lead aprons that are still in use today. Studies also showed that by limiting the dose, x-ray voltage and exposure time of radiation reduced the risk to patients as well. …show more content…
For instance, CT, MRI machines, fluoroscopy, nuclear medicine imaging and x-ray machines, these are used in diagnostic radiology procedures on a daily basis at hospitals, clinics and diagnostic testing centers. Even though new equipment has allowed for much better image quality and treatment of diagnosis of different medical conditions, the side effects are over exposure, especially if given a higher dose to satisfy the outcome of a higher resolution of the body part taken. The goal is also to have as minimal exposure to radiation for radiologic technologists and the
the effective doses from diagnostic CT procedures are typically estimated to be in the range of 1 to 10 mSv. This range is not much less than the lowest doses of 5 to 20 mSv estimated to have been received by some of the Japanese survivors of the atomic bombs. These survivors, who are estimated to have experienced doses slightly larger than those encountered in CT, have demonstrated a small but increased radiation-related excess relative risk for
The X-ray was first discovered in 1895 by a German physicist named W.C. Roentgen (“The Discovery”). W.C. Roentgen was working in his lab one day in 1895 and decided to send a high electrical current through a cathode ray filled with special gas. He realized that a dim green colored light was being produced, and decided to hold the cathode ray just above his wife’s hand. When he did this he observed that the light was able to penetrate human skin, but would leave all the bones visible. There is a picture below of the X-ray of W.C. Roentgen’s wife’s hand (“The Discovery”). He named it the X-ray because he did not know the identity of what kind of ray it was. He just named it X, because of its use in solving unknowns in algebraic equations (“The Discovery”).
Attending Florida Southwestern State College to become an x-ray tech is a huge accomplish for me. Because I have a learning disability unfortunately I have to take remedial courses like intermediate algebra, Brush up English, and a reading course the first semester. The good thing about studying Radiology is you can switch to any type of jobs in this field. For an example, you can switch to working with MRI’s or Cat Scans if you want to try another department in the Radiology field. This specific field is for you to work with x-rays. It’s important to know the bone structure .You can work with ultrasounds to, Cat Scans, to MRI’s (Magnetic resonance imaging).
The role of the radiologist is one that has undergone numerous changes over the years and continues to evolve a rapid pace. Radiologists specialize in the diagnoses of disease through obtaining and interpreting medical images. There are a number of different devices and procedures at the disposal of a radiologist to aid him or her in these diagnoses’. Some images are obtained by using x-ray or other radioactive substances, others through the use of sound waves and the body’s natural magnetism. Another sector of radiology focuses on the treatment of certain diseases using radiation (RSNA). Due to vast clinical work and correlated studies, the radiologist may additionally sub-specialize in various areas. Some of these sub-specialties include breast imaging, cardiovascular, Computed Tomography (CT), diagnostic radiology, emergency, gastrointestinal, genitourinary, Magnetic Resonance Imaging (MRI), musculoskeletal, neuroradiology, nuclear medicine, pediatric radiology, radiobiology, and Ultrasound (Schenter). After spending a vast amount of time on research and going to internship at the hospital, I have come to realize that my passion in science has greatly intensified. Furthermore, both experiences helped to shape up my future goals more prominently than before, which is coupled with the fact that I have now established a profound interest in radiology, or rather nuclear medicine.
Modern medicine is capable of treating a tremendous range of human disease and injuries, but the usefulness of all medical specialties depends on accurate diagnosis. Virtually every conceivable medical specialty relies on radiological technologies to provide formal diagnoses, making radiology one of the most important of all medical specialties. Radiologists enjoy some of the best working conditions in modern medicine and typically experience very positive employment conditions. Consequently, their services are generally in very high demand, with many starting out with six-figure annual incomes immediately after completion of their professional training.
Radiology technology is a science of using radiation to produce images. There are many jobs you can perform in diagnostic imaging usually a radiologic technologist will oft...
Driver, (2013), described the DEXA scanner as a machine that produces two x-ray beams of high and low energy levels. Much like fluoroscopy, the x-ray from the DEXA scanner comes from underneath the patient, and the scanner has a very low x-ray dose. Earlier versions of the DEXA scanner emitted radiation which required up to five minutes to scan an area of interest, but the more advanced machines can take as ...
Radiation therapists work closely with patients to fight cancer. According to Health Care Careers, Oncologists, Dosimetrists and nurses are some of the professionals that a radiation therapist works with while caring for a cancer patient. This group of professionals will determine a specialized treatment plan. The first step usually includes a CT scan performed by a radiologist to find the exact area that needs to be targeted with x-rays. Next, the therapist uses a special machine that emits radiation called a Linear Accelerator. They use this machine during a treatment called external beam therapy. During this process, the Linear Accelerator will project x-rays at targeted cancer cells or tumors. Another therapist will be in a different room monitoring the patient’s viral signs until the procedure is over. The external therapy l...
To begin with, how has technology changed the field of radiology? Since the discovery of X-radiation there has been a need and desire for studying the human body and the diseases without actually any intervention. Over the past fifty years there has been a revolution in the field of radiology affecting medicine profoundly. “The ability to produce computers powerful enough to reconstruct accurate body images, yet small enough to fit comfortably in the radiology department, has been the major key to this progress”(Gerson 66). The core of radiology’s vast development consists of four diagnostic techniques: computed tomography (CT), digital subtraction angiography (DSA), ultrasonography, and magnetic resonance imaging (MRI). These methods of diagnostic imaging provide accurate information that was not seen before. Amid this information advancement, radiologists have broadened their role of diagnostician. Gerson writes, “With the advent of computer-enhanced imagery and new interventional techniques, these physicians are able to take an active part in performing therapeutic procedures”(66). A radiology breakthrough in 1972 was computed tomography discovered by Godfrey Hounsfield and Allan Cormack. Unlike standard radiography, computed tomography would spin the X-ray tube 360 degrees and inversely another 360 degrees while the patient ta...
Advantages to imaging using nuclear medicine is that it is relatively safer than other procedures, such as a biopsy, as it is non-invasive and painless and can detect the severity of a disease or issue and it can see how the disease has progressed in your body. This application can accurately identify the effectiveness of a treatment and whether it is helping or not (SNMMI,2014) Disadvantages could include a negative impact on health, especially when there is a build-up of radioisotopes present. Radioisotopes account for about 90% in the procedures for diagnosis of a disease or illness (World Nuclear Org,2014). The diseases or ailments that are typically diagnosed and treated with nuclear medicine procedures include but not limited to all...
...why does the technologist step behind a shield to prevent exposure to themself?" The radiation dose for each exam is relatively small, but over time, the dose can add up. There are many state and federal regulations limiting the total radiation dose that may be received by people working with radiation. To comply with those regulations, the technologist must follow strict precautions to keep their cumulative exposure to a minimum.
The training, experience and interests during my existence up to now happen to be quite varied. I've resided and labored in Germany, The country and France too as with the United kingdom. Lately, I've thought extensively about altering my career and been attracted to radiography because it offers attractive possibilities to use abilities and private characteristics which i consider I possess, to supply an immediately tangible and satisfying contribution to individuals??utes health.
Radiologic Technologists use radiation to produce images of tissue, organs, and vessels that make up the body, as well as cancer, tumors, broken bones, and tumors (Cape Fear Community College). If a person is in the medical imaging field to become a Radiologic Technologist to help people, this part of the job is what grabs their attention, because as soon as they find these problems they omit the images to a doctor that helps take care of it. Radiologic Technologist is a branch of Health Science Cluster Diagnostic services pathway (OkCollegeStart). When a person’s knows where their career choice starts it helps get a better overview of where to start and helps get them where they want to be. Radiologic Technologists review and evaluate developed x-ray, videotape, or computer generated information to determine if images are “satisfactory for diagnostic purposes” (OkCollegeStart). Persons who are more technology driven are attracted to this career because of the technology a person gets to use and process. Radiologic
I am attending Baton Rouge General School of Radiologic Technology to pursue an Associates degree through Northwestern State University to become a licensed radiologic technologist. I chose this profession because I thoroughly enjoy helping others and making a difference in people’s lives. Radiologic technologists are expected to give efficient patient care while following the doctor’s order to proceed with the X-ray examination. Radiology is the most important role in healthcare because with out having X-rays, the surgeons could not see inside of the patient’s body to perform surgery. Doctors can not predict what is going on inside of a patient without having an X-ray. I am interested in this being my future career because
Medicines and medical technology always have two separate sections that describe itself. It is divided in advantages and disadvantages. As time goes by, scientists research to improve medicine and medical technology to increase the advantages section. However, no matter how advanced it becomes, medicine and medical technology still has both positive and negative impacts. Mostly, there is a case where something new can also have another type of negative impact too. One example of a medical technology that has both positive and negative effects to patients from history are X-rays. Before X-rays was invented, doctors had to be extra cautious. To check for anything abnormal in the body, they needed to gash the body and look inside. Nowadays, there are X-rays. Doctors have less need to cut into the body. On the other hand, there is a new negative impact: radiation. It may cause cancer and many other diseases and damages. What never changes is the fact that new technology often has both positive and negative impacts.