Poisoned by carbon monoxide

Carbon monoxide poisoning (caused by gas) is mostly caused by coal stoves without chimneys or blocked chimneys, or because of strong wind blowing into the chimneys, causing gas to flow back into the room, or because the room has no ventilation equipment. The smelting workshop is not well ventilated, and both engine exhaust and gunpowder explosions contain large amounts of carbon monoxide. The poisoning mechanism is that the affinity of carbon monoxide and hemoglobin is 200-300 times higher than the affinity of oxygen and hemoglobin, so carbon monoxide can easily combine with hemoglobin to form carboxyhemoglobin, lose the ability to carry oxygen and cause tissue suffocation.

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