Differences in Time to Interpretation for Evaluation of Bone Radiographs with Monitor and Film Viewing

Elizabeth A. Krupinski, Pamela J. Lund

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

Rationale and Objectives. The authors evaluated how observers search hard-copy versus soft-copy images to determine why viewing times are longer for images displayed on a monitor. Methods. Twenty-seven nonconsecutive bone-trauma computed radiographs were collected from the routine emergency practice. Eye positions of three bone radiologists and three orthopedic surgeons were recorded as they searched images on a view box and digital images at a workstation. Results. Overall viewing time was longer for images displayed on a monitor. Time to first fixate a lesion and true-negative dwell times were significantly longer with the monitor than with the film. Absolute numbers of clusters and dwell times were greater for diagnostic image areas on the monitor than on the film. Twenty percent of the clusters for images viewed on the monitor were on the image-processing menu. Conclusion. The amount and type of information that is processed during search is different when images are viewed on a monitor rather than on film.

Original languageEnglish (US)
Pages (from-to)177-182
Number of pages6
JournalAcademic radiology
Volume4
Issue number3
DOIs
StatePublished - Mar 1997

Keywords

  • Images, analysis
  • Images, display
  • Images, processing
  • Workstation

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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