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Alcohol intoxication

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Introduction

It is a physiological state that include psychological alteration of consciousness induced by ingestion of ethanol (alcohol), methanol.

Risk Factors

Signs and symptoms

Diagnostic criteria

• Nausea
• Vomiting
• Abdominal pain
• Euphoria
• Slurred speech
• Ataxia
• Altered level of consciousness
• CNC depression
• Hypothermia
• Airway compromise
• Respiratory depression
• Hypotension
• Hypoglycaemia
• Hypokalaemia
• Metabolic acidosis
• Renal failure

Investigations

• Blood glucose
• ECG
• Ethanol levels

Treatment

  • Non-pharmacological

    • Airway protection-intubation and ventilation
    • Insert urinary catheter
    • NGT for aspiration
  • Pharmacological

    Give fomepizole

    • Load 15 mg/kg IV infusion over 30 min;
    • Then 10 mg/kg IV 12 hourly for 4 doses;
    • Then increase to 15mg/kg 12 hourly until Ethylene glycol or Methanol levels are <20mg/dL

    Give Ethanol

    Adults:

    Loading dose

    • 600 mg/kg IV (i.e, 7.6mL/kg of 10% ethanol (EtOH) solution) or 600–700mg/kg PO/NG using a 95% solution diluted to ≤ 20% with water or juice

    Maintenance dose:

    • 155 mg/kg/hr depending on alcohol consumption status (lower for non-drinkers) o Oral maintenance: 0.15 mL/kg/hr (IV = 1.4 mL/kg/hr) 10% EtOH

    • Chronic alcoholics and hemodialysis patients need increased dose; increased maintenance dose of EtOH by 50%; non-alcohol users may need less.

    • Maintain serum ethanol of 100-150mg/dL [21.7-32.55 mmol/L]

    Children: Oral loading dose

    • 95% EtOH: 0.8–1 mL/kg
    • 40% EtOH (80 proof undiluted liquor): 2 mL/kg o 43% EtOH (86 proof undiluted liquor): 1.8 mL/kg

    Maintenance dose (orally)

    • 43% EtOH: 0.1 mL/kg/hr o 95% EtOH: 0.1 mL/kg/hr IV dose (10% EtOH)
    • 10% EtOH = 7.9 g/dL o Loading: 8-10 mL/kg IV; not to exceed 200 mL
    • Maintenance: 0.83 mL/kg/hr IV o 10% EtOH = 7.9 g/dL
    • 40% EtOH (80 proof undiluted liquor) = 31.6 g/dL
    • 43% EtOH (86% proof undiluted liquor) = 34 g/dL
    • 95% EtOH (absolute alcohol) = 75 g/dL o Continue maintenance dose until methanol or ethylene glycol levels are below 10 mg/dL

    Note:

    • Asses for toxic co-ingestion, aspiration pneumonia, head injury,
    • Children and adolescent with suicidal ideation-visit psychiatrist

Prevention

Updated on,

14 Novemba 2020 15:12:45

References

    1. STG
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