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  1. General radiography | Radiology Reference Article | Radiopaedia.org

    Mar 23, 2023 · General radiography, also known as plain film radiography, is the specialty within medical imaging that utilizes projectional radiography to examine anatomy. It is often referred …

  2. Radiograph | Radiology Reference Article | Radiopaedia.org

    Jul 20, 2024 · A radiograph (or plain radiograph although the word 'plain' is strictly superfluous) is the radiologist's preferred term for the static image generated following the passage of x-rays …

  3. Radiographic contrast | Radiology Reference Article

    Mar 26, 2024 · Radiographic contrast is the density difference between neighboring regions on a plain radiograph. High radiographic contrast is observed in radiographs where density …

  4. Radiographic distortion | Radiology Reference Article

    Aug 9, 2021 · Several factors contribute to radiographic distortion whereby the anatomy examined is misrepresenting on the plain radiograph. X-ray beam The x-ray beam originates from a point …

  5. Radiopaedia.org, the peer-reviewed collaborative radiology resource

    Artificial Intelligence Classifications Gamuts Imaging Technology Interventional Radiology Mnemonics Pathology Radiography Signs Staging Syndromes By System: Breast Cardiac …

  6. Signal-to-noise ratio (radiography) - Radiopaedia.org

    Apr 2, 2020 · In radiography, the signal-to-noise ratio, and thus the apparent noisiness of the image, is proportional to the amount of contrast and the square root of the number of photons …

  7. Digital radiography | Radiology Reference Article | Radiopaedia.org

    Apr 11, 2024 · Digital radiography is based on capturing and storing the radiograph using discrete (digital) values 1 as opposed to conventional film radiography, which uses analog (continuous) …

  8. Direct digital radiography | Radiology Reference Article

    Dec 9, 2024 · Direct digital radiography (abbreviated as DR, DDR, or DX) is a type of digital radiography in which the digital registration of the image takes place directly at the detector …

  9. Grids | Radiology Reference Article | Radiopaedia.org

    Jul 23, 2025 · Grids are commonly used in radiography, with grid ratios available in even numbers, such as 4:1, 6:1, 8:1, 10:1 or 12:1. Generally used where the anatomy is >10 cm:

  10. Milliampere-seconds (mAs) - Radiopaedia.org

    May 30, 2024 · Milliampere-seconds, also more commonly known as mAs, is a measure of radiation produced (milliamperage) over a set amount of time (seconds) via an x-ray tube. It …