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What causes toxic anoxia?

Toxic anoxia is caused when a person's brain doesn't get enough oxygen due to exposure to harmful chemicals. Most anoxia is caused when something prevents oxygen from reaching the brain. In toxic anoxia, the brain is fed with plenty of oxygen-rich blood, but chemicals prevent cells from being able to use the oxygen in the blood. Toxic anoxia can be caused by poisons and chemicals we come in contact with in our daily lives, whether through inhalation or ingestion. For example, the contents of airbags, the cyanide in gold electroplating, and the hydrogen sulfide fumes from sewage all can cause toxic anoxia. Abuse of illegal drugs also affects the brain and can cause toxic anoxia.

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How does the length of a coma relate to anoxic brain injury outcomes?
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What is an anoxic brain injury?
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.