CARBON MONOXIDE POISONING

Usually due to inhalation in confined spaces of smoke, car exhaust or fumes caused by incomplete combustion of fuel gases e.g. use of charcoal stoves in unventilated rooms.

Cause

  • Carbon monoxide, a colourless and odourless nonirritating gas

Clinical features

  • Due to hypoxia
  • Headache, nausea, vomiting, dizziness, confusion, weakness
  • Collapse, seizures, coma, death

Management

  • Move person to fresh air
  • Clear the airway
  • Give oxygen 100% (use non-rebreather masks) as soon as possible
  • IV fluids for hypotension
  • Diazepam for seizures