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Radiology History

X-Ray History

X-Rays were first discovered in 1895 by German scientist, Wilhelm Roentgen. Roentgen won the first Nobel Prize in physics in 1901 for his discovery.  While he was experimenting with electric currents passing through a tube, he realized that a nearby fluorescent screen began glowing as the current passed through.  When he switched the current off, the screen ceased to glow.  Because the glowing could be attributed to unknown rays, he appropriately named them €œ"X" rays, which is the origin of the term we still use to this day.  One of the first x-rays taken was of his wife'€™s hand, where he could see her hand and her wedding ring on the image.  The implications of the technology were huge and the medical community recognized it'€™s worth in diagnosis of various broken bones, fractures, and ailments.  Within a few months of the discovery, machines were produced to be used in the medical community and it wasn'€™t long before they were a widespread, commonly used technology.

 

Radiology History Timeline

    • 1896 - Konrad Roentgen discovered the x-ray

    • 1950's - A major development was the application of contrast agents for a better image contrast and organ visualization using special gamma cameras.

    • 1955 - The first x-ray image intensifier allowed the pick up an d display of x-ray movies.

    • 1960's - The principles of sonar were applied to diagnostic imaging. Ultrasonic waves generated by a quartz crystal were reflected at the interfaces between different tissues, received by the ultrasound machine and turned into pictures using computers and reconstruction software. Challenges include targeted contrast imaging, real time 3D or 4D ultrasound and molecular imaging

    • 1968 - The use of targeted contrast agents began.

    • 1970 - The digital imaging techniques were implemented into conventional fluoroscopic image intensifier with the first computed tomography, digital images are electronic snapshots sampled and mapped as a grid of dots and pixels. The multislice spiral CT technology has expanded the clinical applications dramatically.

  • 1980's- The first MRI device was tested on clinical patients.

Ultrasound History

The use of sonography in the application of the medical field seems to have occurred in both the United States and abroad. Two researchers noted in the history of ultrasound and medical imaging are  Doctor Karl Theodore Dussik of Austria and  Professor Ian Donald of Scotland. In 1942 Doctor Karl Theodore Dussik of Austria published the first paper on medical ultrasonics based on his research on transmission ultrasound investigation of the brain. In  the 1950's, Professor Ian Donald of Scotland developed practical technology and applications for ultrasound.


In Sweden, ultrasound technology was used by cardiologist, Inge Edler and Carl Hellmuth Hertz.  Edler asked Hertz if it was possible to use radar to look inside the human body.  While Hertz was skeptical about the use of radar, he did think that the use of ultrasonic sound could possibly work.  Hertz had used the technology in other applications; together, they figured out how to use the technology to measure heart activity and not much later, brain activity as well.
In the United States, ultrasound was first applied to medical purposes by Dr. George Ludwig in the late 1940’s. Also, John Wild used ultrasound to determine the thickness of bowel tissue in 1949.  He is often cited as the “father of medical ultrasound.”


The textbook definition of ULTRASOUND is energy generated by sound waves of 20,000 or more vibrations per second. Ultrasound is used in an array of imaging tools. Used for medical diagnostics, ultrasound uses sound waves far above the frequency heard by the human ear. A transducer gives off the sound waves and reflected back from organs and tissues, making a picture of what's inside the body to be drawn on a screen.
 Examining the health of an unborn baby, analyze bone structure or looking for tumors, Ultrasound is used in many ways. As technology grows so does ultrasound. It's a wonder what will be the next technology development.

 

Medical Imaging Careers Today

Today imaging in medicine has advanced to a stage that was inconceivable 100 years ago with growing medical imaging modalities including computed tomography, mammography, MRI, PET scan's and more. The basic x-ray was a concept that spurred on research into other means of capturing images such as high frequency sound waves in ultrasound. To learn more about career options in the field of radiology, visit our radiology careers page or browse school programs offering radiology and ultrasound programs in your state.

 

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Diagnostic Medical Sonography (General Concentration)
Advance your career with American Institute - Diagnostic Medical Sonography. Our program can be completed in as little as 16 months. We offer program specializations in general or cardiac sonography, both of which include vascular ultrasound training.
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Diagnostic Medical Sonography

Medical Career Institute in Ocean, NJ is your one-stop-shop for medical career training in Monmouth and Ocean Counties.  Medical Career Institute is approved by the United States Department of Education and the New Jersey Departments of Education and Labor and Workforce Development. Offering both morning and evening classes in addition to financial aid assistance to those who qualify. The school is accredited by ABHES and CAAHEP, ensuring the quality and level of education meets the highest standards.

 

Diploma in Medical Assisting with X-Ray Tech (Limited Scope)
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Associate of Science in Radiologic Technology
Keiser University Campus , West Palm Beach

Since 1977, Keiser University has maintained a practical, hands-on approach to career-focused education to help our students achieve their personal and professional goals.  Our student-centered approach remains at the foundation of the Keiser University mission and continues to attract students who prefer a more personal learning experience. 

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Medical Assisting with Basic X-Ray Operation

Fortis Institute can give you the skills you need to train for a career in the healthcare field.

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Multi-Skill Health Technician
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Certificate in Patient Care Technician
Berkeley College , Woodbridge
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A.S. - Diagnostic Medical Sonography
  • Southern Technical College provides education and training in a variety of medical and technical areas that enables graduates to use their skills for entry-level careers.
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Diploma - Patient Care Technician

Get hands-on training with Brookline College. We offer diploma and degree programs in the areas of health care, business, nursing, criminal justice, paralegal, and computer security. We understand that today's student is busy with many responsibilities, so we offer day, evening, and online classes, giving you options to fit school into your schedule.

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Cardiographic Technology, Associates Degree
Daymar College , Bowling Green
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Patient Care Technician
Quest College , San Antonio

Quest College is dedicated to providing career-focused, accessible education and helping individuals get the training, experience and support for the Allied Health and business industries.