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Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
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Updated: Apr 14, 2026

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One Night in the ED.

Ian R Drexler1

  • 1Department of Radiology, NewYork-Presbyterian Hospital/Weill Cornell, 525 E 68th Street, New York, NY, 10065, USA, ird7002@nyp.org.

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Summary
This summary is machine-generated.

Radiology 2.0: One Night in the ED is a mobile application providing scrollable CT images for emergency department scenarios. This tool helps junior residents build confidence through real-time case simulation before their shifts.

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Area of Science:

  • Medical Education
  • Radiology Informatics
  • Emergency Medicine

Background:

  • Junior residents require robust preparation for emergency department (ED) rotations.
  • Traditional learning methods may not fully replicate the real-time pressure of ED radiology interpretation.
  • Access to diverse, interactive learning tools is crucial for developing diagnostic confidence.

Purpose of the Study:

  • To introduce Radiology 2.0: One Night in the ED, a novel mobile application.
  • To evaluate the app's utility as a preparatory tool for junior residents in the ED.
  • To enhance resident confidence in interpreting common ED CT imaging scenarios.

Main Methods:

  • The application presents users with scrollable computed tomography (CT) images.
  • Content focuses on common scenarios encountered in any Emergency Department (ED).
  • The app simulates real-time image viewing, unlike static screenshot presentations.

Main Results:

  • Provides a simulated environment for residents to practice interpreting full CT cases.
  • Offers a valuable resource for building confidence before and during ED call.
  • Enables exposure to a wide range of common ED imaging presentations.

Conclusions:

  • Radiology 2.0: One Night in the ED is an effective supplementary tool for resident training.
  • The app enhances preparedness for the demands of emergency radiology interpretation.
  • It serves as a key resource for junior residents undertaking ED rotations.