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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

9.6K
German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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X-ray Diffraction of Biological Samples01:10

X-ray Diffraction of Biological Samples

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X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
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X-ray Crystallography02:18

X-ray Crystallography

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The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
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The Electromagnetic Spectrum02:37

The Electromagnetic Spectrum

64.1K
The electromagnetic spectrum consists of all the types of electromagnetic radiation arranged according to their frequency and wavelength. Each of the various colors of visible light has specific frequencies and wavelengths associated with them, and you can see that visible light makes up only a small portion of the electromagnetic spectrum. Because the technologies developed to work in various parts of the electromagnetic spectrum are different, for reasons of convenience and historical...
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Related Experiment Video

Updated: Dec 23, 2025

High Spatial Resolution Chemical Imaging of Implant-Associated Infections with X-ray Excited Luminescence Chemical Imaging Through Tissue
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High Spatial Resolution Chemical Imaging of Implant-Associated Infections with X-ray Excited Luminescence Chemical Imaging Through Tissue

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When the Good Old X Ray Saved the Day.

Ashwin Shekar P1, Anuj Dumra1, Hardik Patel1

  • 1Department of Urology, Sri Sathya Sai Institute of Higher Medical Sciences, Prashantigram, Puttaparthi, Andhra Pradesh, India.

Urology
|April 22, 2020
PubMed
Summary

Forgotten ureteral stents can cause serious complications. A plain radiograph, often overlooked, successfully identified a missed stent missed by ultrasound and CT scans.

Area of Science:

  • Urology
  • Medical Imaging

Background:

  • Internal ureteral stents are crucial for managing upper urinary tract obstruction.
  • Missed stents pose significant risks, particularly in resource-limited settings due to compliance and registry issues.

Observation:

  • A case report detailing a forgotten ureteral stent.
  • The stent was initially missed on both ultrasound and computed tomography imaging.

Findings:

  • Plain radiography was instrumental in diagnosing the forgotten ureteral stent.
  • This highlights the continued relevance of plain radiographs in specific diagnostic scenarios.

Implications:

  • Emphasizes the diagnostic value of plain radiography in evaluating retained ureteral stents.

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X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
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  • Suggests a potential adjunctive role for plain radiographs in imaging protocols for suspected missed stents.