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Severe Symptoms:Breathing: Rapid, deep breathing initially, then slow, shallow breathing, leading to respiratory arrest. Heart: Fast heart rate, then slow heart rate, low blood pressure, and cardiac arrest. Brain: Confusion, agitation, seizures, loss of consciousness, and coma.
Software An illustration of two photographs. Images An illustration of a heart shape Donate An illustration of text ellipses. More An illustration of a heart shape "Donate to the archive" An illustration of a person's head and chest.