<prompt> Alcoholic blackouts are seen at levels of alcohol in blood20-30 mgdL80-200 mgdL200 - 300 mgdL300 mgdL  <response>: Acute Alcohol Intoxication:Blood Alcohol concentrationSymptoms20 - 30 mg dLDecreased concentration decreased motor performance30 - 80 mgdLSigns of intoxication appears, worsening of motor symptoms and thinking ability.80 - 200 mg dLIncordination200 - 300 mg dLAlcohol blackoutAnterograde Amnesia 300 mg dLComa Death. 