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Related Experiment Videos

Localizing ingested coins with a metal detector.

K E Bassett1, J E Schunk, L Logan

  • 1University of Utah School of Medicine, Department of Pediatrics, Primary Children's Medical Center, Salt Lake City 84113, USA.

The American Journal of Emergency Medicine
|August 19, 1999
PubMed
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Metal detectors effectively locate ingested coins in children, acting as a reliable screening tool. Asymptomatic esophageal coin cases may resolve spontaneously, warranting further investigation.

Area of Science:

  • Pediatric Emergency Medicine
  • Medical Imaging
  • Diagnostic Technology

Background:

  • Esophageal coin ingestion is common in children.
  • Accurate localization is crucial for management.
  • Current diagnostic methods can be resource-intensive.

Purpose of the Study:

  • To evaluate metal detector utility for coin localization in pediatric patients.
  • To determine the rate of spontaneous passage for asymptomatic esophageal coins.

Main Methods:

  • Prospective enrollment of 91 children with suspected coin ingestion.
  • Metal detector used for initial coin detection and esophageal localization.
  • Radiographs used for confirmation of coin location.
  • Observation of asymptomatic patients for spontaneous coin passage.

Related Experiment Videos

Main Results:

  • Metal detectors demonstrated 98% sensitivity for coin detection and 98% sensitivity for esophageal localization.
  • Symptoms were unreliable indicators of coin location.
  • Six of eight asymptomatic patients with esophageal coins passed the coin spontaneously.

Conclusions:

  • Metal detection is a valuable, sensitive screening tool for identifying ingested coins and their esophageal location in children.
  • Spontaneous passage of asymptomatic esophageal coins is a possibility that merits further research.