History of Radiology
In 1995 we celebrated 100 years since the discovery of the modern x-ray. While conducting experiments on a cathode ray tube Professor Wilhelm Roentgen from the University of Wurzburg in Germany on November 8, 1895 noticed some unexplained results. The cathode tube, called a Crookes’ tube accelerates electrons in a manner very similar to today’s x-ray equipment. He noticed during his experiments that a plate that was covered with barium platinocyanide that was sitting a distance away began to fluoresce, or glow. Not knowing what to call the invisible rays from the Crookes’ tube that induced the glowing, he named them x-rays. The ‘X’ standing for the unknown quantity. After this discovery, Professor Roentgen did more experiments to define all the properties of the x-ray. Many of these property names are still in use today.Professor Roentgen produced the first clinical radiograph on November 8, 1895. The image, which took 30 minutes, was a radiograph of his wife’s hand. He reported his findings to the Wurzburg Physic-Medical Society on December 8, 1895. In recognition to his great achievement, Roentgen received the first Nobel Prize for Physics in 1901. Professor Roentgen was not the first
prints of two coins sitting on top of a photographic plate. After Jennings developed the films the round shadows of the coins appeared. This curious shadowgraph could not be explained and so the plates were filed away. It was not until Roentgen’s discovery did the American men know what they had discovered. A number of scientists of the era were conducting experiments with electrical discharges through evacuated glass tubes. It is very possible that they all had produced x-rays and didn’t know it. In October 1920 13 radiographic technicians from nine states and one from a Canadian Province met with Jerman and formed the American Association of Radiological Technicians (AART). The AART created a code of ethics that all technicians were to follow emphasizing loyalty and professionalism to the radiologist. This organization has not been functioning for some time and the reasons seen to be unclear. Radiologists must have an Associate in Applied Science Degree. It is important to enroll in a college that is accredited. Portland Community College offers a 2-year program and is an accredited college. To be eligible for the program the student must complete the prerequisites, which include Anatomy 231,232, and 233. Math up to college algebra 111C, English composition 121, and medical terminology. Health Licensing Boards Oregon State Health Division
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