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Hypoxia01:23

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Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
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Carbon Monoxide Poisoning from Portable Electrical Generators.

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Portable electric generators cause thousands of nonfatal carbon monoxide (CO) poisonings annually in the US. Most incidents occur in homes, affecting English speakers with symptoms like headache and dizziness.

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Area of Science:

  • Environmental Health
  • Toxicology
  • Emergency Medicine

Background:

  • Portable electrical generators have caused over 800 accidental carbon monoxide (CO) poisoning deaths in the US (1999-2012).
  • Mortality data alone may underestimate the public health impact of generator-related CO poisoning.

Purpose of the Study:

  • To describe the nonfatal outcomes of carbon monoxide (CO) poisoning from portable generators.
  • To highlight the significance of generator-related CO poisoning beyond mortality statistics.

Main Methods:

  • Prospective reporting of de-identified patient data treated with hyperbaric oxygen for acute CO poisoning in the US.
  • Analysis focused on patients poisoned specifically by portable generators.

Main Results:

  • 264 patients were poisoned by portable generators in 151 incidents across 33 states between August 2008 and July 2011.
  • Poisonings frequently occurred in residences (99 incidents), with an average patient age of 37 years.
  • Common symptoms included headache (62%), dizziness (52%), and loss of consciousness (50%), with average carboxyhemoglobin levels of 22.7%.

Conclusions:

  • Acute, severe CO poisoning from portable generators is a significant public health issue in the US.
  • An estimated 4000 individuals are affected annually, primarily in residential settings.
  • The affected population predominantly speaks English.