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Sep 17, 2015 · And while X-rays remain a cornerstone of modern medicine, their discovery paved the way for the development of today’s broad spectrum of imaging techniques, including magnetic resonance imaging (MRI), computed tomography (CT), ultrasound, echocardiography, and many others -- some of which avoid the use of radiation altogether.
- To Scan Or Not to Scan
The remaining 15% comes from man-made sources, the major...
- To Scan Or Not to Scan
May 26, 2024 · The discovery of X-rays by Wilhelm Röntgen in 1895 was a turning point in the history of medicine and science. What began as a chance observation in a laboratory quickly became one of the most important medical tools of the modern era, transforming the way we diagnose and treat disease.
- How Roentgen Discovered X-Rays
- What Are X-Rays?
- From X-Rays to Ct Scanning and Beyond
Born in Germany in 1845, Roentgen had a somewhat lackluster career as a student, but he eventually earned a PhD and took at position at the University of Wurzburg. There he investigated the effects of passing electrical currents through vacuum tubes. On a fateful day in November 1895, he observed that, despite the presence of a cardboard barrier, e...
X-rays themselves are a form of electromagnetic radiation, composed of the same photons as visible light, microwaves, and radio waves, only vibrating at much shorter wavelengths and much higher frequencies. This enables them to penetrate solid objects, such as wood, clothing and human tissues. When a medical X-ray image is created, an X-ray beam pa...
Newer medical imaging techniques such as CT scanning rely on Roentgen’s discovery, but instead of sending X-rays through the patient’s body from one direction only, beams are directed from many different angles, making it possible to create a much sharper two-dimensional image of the body’s interior. CT scans now play a huge role in medical diagnos...
Feb 18, 2020 · Refinements and advances in equipment design since 1920 have made X-rays much safer for patients and technicians. Today’s films use chemicals that make them more sensitive to X-rays, so they require less time and less radiation to create an image.
In medicine, X-rays revolutionised diagnostics and treatment. They provided an unprecedented non-invasive means to peer inside the human body , revealing the internal structure of bones and soft tissues with the introduction of contrast agents.
X-rays have a big disadvantage: they portray the three-dimensional body as flat. All the structures are superimposed. One invention will change this and lay the foundation for modern medical...
X-ray radiography, a cornerstone of modern medical imaging, has revolutionised diagnostic practices since its discovery in 1895 by Wilhelm Conrad Roentgen. This article looks into the history of X-rays, principles, technological advancements, applications, and safety considerations.
