Diphosgene Exposure Workup

Updated: Jan 05, 2016
  • Author: Paul P Rega, MD, FACEP; Chief Editor: Zygmunt F Dembek, PhD, MPH, MS, LHD  more...
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Laboratory Studies


No laboratory test confirms diphosgene (DP) exposure. Arterial blood gas measurement may be useful to determine the degree of hypoxemia or acidemia in patients where endotracheal tube placement is in question.


Imaging Studies

Chest radiographs may initially appear normal but eventually reveal pulmonary edema in patients with significant exposure. Because of the possibility of delayed pulmonary edema, a baseline chest radiograph should be considered prior to discharge.


Other Tests

An ECG can be obtained to help ensure that the patient does not have cardiogenic pulmonary edema or stress-induced ischemia.