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Evaluation of a computer-based program for teaching cardiac anatomy

W Stanford1, W E Erkonen, M D Cassell

  • 1Department of Radiology, University of Iowa College of Medicine, Iowa City 52242.

Investigative Radiology
|February 1, 1994
PubMed
Summary
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Computer-assisted cardiac anatomy instruction, combined with cadaver dissection, significantly improved medical students' performance on image-based tests. However, computer programs should supplement, not replace, traditional dissection methods.

Area of Science:

  • Medical Education
  • Anatomy
  • Medical Imaging

Background:

  • Cadaver dissection is a traditional method for teaching cardiac anatomy.
  • The integration of computer-based learning tools offers potential benefits for medical education.

Purpose of the Study:

  • To evaluate the effectiveness of a computer-based program in enhancing or substituting for cadaver dissection in teaching cardiac anatomy.
  • To compare learning outcomes between different instructional methods for first-year medical students.

Main Methods:

  • 175 first-year medical students were randomized into four groups: control, dissection only, computer program only, and dissection followed by computer program.
  • All groups were assessed using ultrafast computed tomographic (CT) static images and cardiac cadaver specimens.

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Main Results:

  • The combination of cardiac dissection and the computer program yielded superior results compared to either method alone.
  • Performance varied across different assessment subtests, indicating nuanced effects of the instructional approaches.

Conclusions:

  • Cardiac computer instruction following dissection significantly improved performance on image-based testing.
  • While beneficial, computer instruction should be viewed as a supplement to, rather than a replacement for, cadaver dissection in cardiac anatomy education.