As a general rule, levels less than 25 mg/dL are associated with a sense of warmth and well-being. Euphoria and decreased judgment occur at levels between 25 and 50 mg/dL. Incoordination, decreased reaction time/reflexes, and ataxia occur at levels of 50-100 mg/dL. Cerebellar dysfunction (eg, ataxia, slurred speech, nystagmus) is common at levels of 100-250 mg/dL. Coma can occur at levels greater than 250 mg/dL, whereas respiratory depression, loss of protective reflexes, and death occur at levels greater than 400 mg/dL.
For more on the presentation of alcohol poisoning, read here.
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Cite this: Michael D. Levine. Fast Five Quiz: Do You Know the Signs of and Best Treatment for Alcohol Poisoning? - Medscape - Dec 19, 2014.