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Alcohol intoxication
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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