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Lithium toxicity
Etiology
Acute toxicity
• Intentional overdose
Chronic toxicity
• Decreased renal perfusion (↓ lithium clearance)
• Dehydration
• Thiazide diuretics, NSAIDs, ACE inhibitors
Clinical
features
Acute toxicity
• Gastrointestinal: nausea, vomiting, diarrhea
• Late neurologic sequelae
Chronic toxicity (neurologic)
• Lethargy, confusion, agitation
• Ataxia, tremor/fasciculations, seizure
Treatment
• Intravenous hydration
• Hemodialysis (severe cases)

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Lithium toxicity HY

  • 1. Lithium toxicity Etiology Acute toxicity • Intentional overdose Chronic toxicity • Decreased renal perfusion (↓ lithium clearance) • Dehydration • Thiazide diuretics, NSAIDs, ACE inhibitors Clinical features Acute toxicity • Gastrointestinal: nausea, vomiting, diarrhea • Late neurologic sequelae Chronic toxicity (neurologic) • Lethargy, confusion, agitation • Ataxia, tremor/fasciculations, seizure Treatment • Intravenous hydration • Hemodialysis (severe cases)