Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Reducing radiation dose in emergency computed tomography with automatic exposure control techniques.

Mannudeep K Kalra1, Stefania M R Rizzo, Robert A Novelline

  • 1Division of Emergency Radiology, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Founders 215, 55 Fruit Street, Boston, MA 02114, USA.

Emergency Radiology
|September 1, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Dual-energy CT based scoring to estimate perfusion changes after balloon pulmonary angioplasty in chronic thromboembolic pulmonary hypertension.

JHLT open·2026
Same author

Photon-counting Detector CT Spectral Reconstructions for Radiomics-based Liver Lesion Classification: A Multicenter Study.

Investigative radiology·2026
Same author

AI-based diagnosis of acute aortic syndrome from noncontrast CT.

Nature medicine·2025
Same author

Abdominopelvic complications of gynecologic malignancy: Essentials for radiologists.

European journal of radiology·2025
Same author

Are high-dose CT examinations on the rise?

The British journal of radiology·2025
Same author

Chest X-Ray Foundation Model With Global and Local Representations Integration.

IEEE transactions on medical imaging·2025

Automatic exposure control (AEC) in computed tomography (CT) scanning significantly reduces radiation dose for trauma patients. This technique enhances radiation dose efficiency by 10-60% while maintaining image quality.

Area of Science:

  • Medical Imaging
  • Radiology
  • Radiation Physics

Background:

  • Computed tomography (CT) is vital for trauma evaluation, frequently involving younger individuals.
  • Younger patients face higher risks of radiation-induced cancer, necessitating radiation dose reduction in emergency CT scans.
  • Automatic exposure control (AEC) is a key technology for optimizing radiation dose in CT.

Purpose of the Study:

  • To review the fundamentals of AEC in CT scanning.
  • To explore the clinical applications of AEC in emergency settings.
  • To detail the radiation dose benefits offered by AEC techniques.

Main Methods:

  • Review of existing literature on AEC in CT.
  • Analysis of AEC principles and functionalities.

Related Experiment Videos

  • Examination of clinical case studies and dose reduction data.

    • Main Results:

    • AEC allows users to select desired image quality, with the system adjusting parameters for optimal dose efficiency.
    • Radiation dose reduction ranging from 10% to 60% is achievable with AEC in many cases.
    • AEC maintains diagnostic image quality while improving radiation safety.

    Conclusions:

    • AEC is a crucial tool for reducing radiation exposure in emergency CT scans, particularly for pediatric and young adult trauma patients.
    • Implementing AEC enhances radiation dose efficiency without compromising the diagnostic value of CT imaging.
    • Further adoption of AEC in emergency CT protocols is recommended to mitigate long-term cancer risks.