methemoglobinemia, cyanide, CO cause and treatment differences


Cause

  • 1.methemoglobinemia: 2.oxidizing agents (antibiotics, nitrates, anesthetics)
  • 1.cyanide: 2.house fire, smoke inhalation, nitroprusside IV
  • 1.carbon monoxide: 2.car exhaust, poor heater ventilation

Treatment

  • 1.methemoglobinemia: 2.methylene blue
  • 1.carbon monoxide: 2.hyperbaric oxygen
  • 1.cyanide: 2.hydroxocobalamin