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A carbon monoxide poisoning case due to lung diffusion test.

Serkan Ergözen1, Ahmet Demir2, Ethem Acar2

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Carbon monoxide (CO) poisoning can occur during a lung diffusion test (DLCO). This case report details a patient poisoned by CO during a DLCO test and treated in the Emergency Department.

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Area of Science:

  • Pulmonary Medicine
  • Toxicology
  • Diagnostic Testing

Background:

  • Carbon monoxide (CO) poisoning results from incomplete hydrocarbon combustion.
  • Common causes include faulty appliances, fires, and enclosed space exhaust exposure.
  • The DLCO test measures alveolar-capillary membrane diffusion capacity using CO gas.

Observation:

  • A patient experienced CO poisoning during a standard DLCO test.
  • This event occurred despite the controlled environment of a medical diagnostic procedure.

Findings:

  • The study presents the first reported case of CO poisoning specifically during a DLCO test.
  • The patient received timely treatment in the Emergency Department.

Implications:

  • Highlights a potential, previously unreported risk associated with DLCO testing.
  • Emphasizes the need for vigilance and preparedness in emergency departments for CO poisoning cases, even those arising from diagnostic procedures.
  • Suggests a review of safety protocols for DLCO testing may be warranted.