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Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
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Acute eosinophilic pneumonia caused by an exploding mobile battery: A case report.

Hiroe Aramaki1,2, Masafumi Shimoda1, Kozo Morimoto1

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A mobile battery explosion caused acute eosinophilic pneumonia (AEP) in a woman presenting with fever and dyspnea. This is the first reported case linking AEP to inhaled mobile battery fire smoke.

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Area of Science:

  • Pulmonary Medicine
  • Toxicology
  • Environmental Health

Background:

  • Acute eosinophilic pneumonia (AEP) is an idiopathic lung disease characterized by pulmonary eosinophilia.
  • Commonly associated with inhalant exposures, including tobacco smoke, illicit drugs, and certain medications.

Observation:

  • A 42-year-old woman presented with acute respiratory symptoms including fever and dyspnea.
  • She reported inhaling smoke from a mobile battery fire eight days prior to symptom onset.
  • Chest CT revealed bilateral infiltrates, and bronchoalveolar lavage showed a markedly elevated eosinophil fraction (61.2%).

Findings:

  • The patient was diagnosed with acute eosinophilic pneumonia (AEP).
  • This case represents the first documented instance of AEP triggered by inhaling smoke from an exploded mobile battery.

Implications:

  • Highlights a novel environmental trigger for AEP, expanding the spectrum of known inhalant causes.
  • Suggests the need for considering exposure to fumes from exploding electronic devices in the differential diagnosis of AEP.
  • Underscores the potential respiratory hazards associated with battery fires and electronic device malfunctions.