the X-ray. In 1895‚ Wilhelm Conrad Rontgen‚ a Dutch-German physicist learned that an unknown ray that he labeled the X-ray‚ could pass through the human body‚ blackening a photographic plate except where the calcium in the bones absorbed them. His initial scientific paper reporting the phenomenon included an X-ray image of his wife’s hand. The Frau Rontgen’s Hand (1895‚ Fig. 3) is one of the first images of its kind and took fifteen minutes to create. Although light waves did not create X-rays‚ the
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organs by scanning them with X rays and using a computer to construct a series of cross-sectional images. 2. PPE Personal Protective Equipment is equipment that is to be used by healthcare workers when there is a risk of being exposed to blood or body fluids. 3. Contrast Contrast is an agent that is administered to a patient to enhance body tissues and organs. 4. Artifact An artifact is a
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identify a suspicious spot on X-ray either as a variation of natural tissue or as tumor. With the help of exemplar based theory‚ a decision may be reached by equating the present X-rays to the exemplars remembered by the radiologist. In case‚ it appears more similar to tumors rather than normal tissue‚ then he has to categorize the suspicious spot as tumors. In contrast‚ rule based theories recommend that the radiologist observe whether specific categories of X ray meet the same classification as
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NON-DESTRUCTIVE TESTING 1 NON-DESTRUCTIVE TESTING: A TECHNICAL DEFINITION NON-DESTRUCTIVE TESTING 2 INTRODUCTION Non-destructive Testing (NDT) is a method of examining the strength of an object without rendering the object useless. Professionals use NDT in order to locate problems in materials which could possibly cause large accidents or failures. The benefits of NDT are an inexpensive form of effective quality control that will not affect the future ability of the object
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though there are many career options when it comes to the medical field radiology caught my attention due to how unique the job tasks are. Some background information as to when radiology came into existence was in 1895 when Wihelm Roentgen discovered x-rays. Roentgen revolutionized medicine by making it possible for doctors to see inside
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When I am completely finished with school‚ I hope to be a Radiologist. A radiologist uses medical imaging technologies to diagnose and sometimes treat diseases. Originally it was the aspect of medical science dealing with the medical use of X-rays emitted by X-ray machines or other such radiation devices for the purpose of obtaining visual information as part of medical imaging. Due to the extensive training radiologists traditionally receive in medical image interpretation‚ radiologists now also direct
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by 28% in ten years. Duties Performed: Radiologic technologists provide information that is used to diagnose problems by performing diagnostic imaging examinations on patients‚ such as x-rays. The typical radiologic technologist usually has to adjust and maintain imaging equipment that is used to perform x-rays on patients. Following orders precisely is required to make sure they accurately image the right area of the body. They prepare patients for procedures‚ take medical history‚ and answer
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EFFECTS OF WATCHING TOO MUCH TV Humans welcome technological inventions and discoveries and the benefits they bring to people’s lives. This was the case when Wilhelm Roentgen discovered x-rays. Within five years‚ the British Army was using a mobile x-ray unit to locate bullets and shrapnel in wounded soldiers in the Sudan. TV was also invented with dreams of positive benefits for humanity – TV would make everyone global citizens. In addition‚ its global reach would provide providing educational
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there are some differences such as CAT scans uses radiation meanwhile MRI doesn’t. Another difference is that MRI is a closed tube meanwhile CAT scan isn’t closed and has lots of space. Both MRI and CAT scans have pros and cons. A CAT scan is an x-ray image made by using radiation and MRI is the use of magnetic field and radio waves to create images of our body. One pro for CAT scans is that it detects diseases before it gets worst however there is also a negative side effect such as high radiation
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MRI Background info Magnetic resonance imaging (MRI) otherwise known as Magnetic resonance tomography (1) is a scan that uses a magnetic field‚ radio wave‚ and computer‚ to produce an image of an individual internal structure (Anatomy) (2). The body contains more than 50% of water. MRI uses super strong Magnetic field to align hydrogen nuclei or protons found in water (H2O) all over the body (1‚3‚ &‚ 4). When a person is placed into the scanning machine hydrogen nuclei or protons align
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