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How is cyanide poisoning diagnosed?
If you’re experiencing symptoms of acute cyanide poisoning, seek immediate emergency medical attention.
If you’re experiencing symptoms of chronic cyanide poisoning, see your doctor right away. After discussing your symptoms, your doctor will perform a physical exam.
They’ll also conduct blood testsTrusted Source to assess your:
- Methemoglobin level. Methemoglobin is measured when there is concern for smoke inhalation injury.
- Blood carbon monoxide concentration (carboxyhemoglobin level). Your blood carbon monoxide concentration can indicate how much smoke inhalation has occurred.
- Plasma or blood lactate level. Cyanide blood concentrations usually aren’t available in time to help diagnose and treat acute cyanide poisoning, but they can offer later confirmation of poisoning.