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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

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 X-rays, and by 1900, X-ray was widely...
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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 the...
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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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A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography
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Published on: July 22, 2022

Image rejects/retakes--radiographic challenges.

D Waaler1, B Hofmann

  • 1Department of Health, Care and Nursing, Gjøvik University College, Gjøvik, Norway. dag.waaler@hig.no

Radiation Protection Dosimetry
|February 18, 2010
PubMed
Summary
This summary is machine-generated.

Digital radiography has significantly reduced image rejects/retakes, primarily by minimizing exposure errors. However, operator competence issues persist, highlighting the need for enhanced radiographer training in digital imaging and quality assessment.

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Area of Science:

  • Radiological Sciences
  • Medical Imaging Technology
  • Quality Management in Healthcare

Background:

  • Historically, radiographic image rejects/retakes were expected to decrease with digitalization.
  • Despite advancements, image rejects/retakes continue to pose challenges, including resource waste, patient radiation exposure, and suboptimal quality management.

Purpose of the Study:

  • To analyze the evolution and causes of image rejects/retakes in radiographic imaging.
  • To assess the impact of digitalization on reject/retake rates and identify persistent challenges in quality management.

Main Methods:

  • A comprehensive survey of international research papers on screen/film and digital radiography.
  • Analysis of reject/retake rates and their reported causes across different imaging technologies.

Main Results:

  • Digital imaging reduced reject/retake rates from 10-15% to 3-5%, mainly due to fewer exposure errors.
  • Rejects/retakes related to operator competence (e.g., positioning) remain unchanged or slightly increased.
  • Subjective radiographer evaluations often define reject/retake causes, complicating objective quality assessment.

Conclusions:

  • While digitalization improved exposure accuracy, operator skill gaps in digital radiography persist, necessitating targeted education.
  • Further research is needed to standardize image quality criteria and validate the effectiveness of reject/retake rates as a quality indicator.