Calculates succinylcholine for rapid sequence intubation: 1.5 mg/kg IV (maximum 200 mg), onset 45–60 seconds, duration 10–12 minutes. Paediatric dose 2 mg/kg. Contraindicated in: >24h post-burn/crush/denervation (hyperkalemia risk), known pseudocholinesterase deficiency, personal/family history of malignant hyperthermia, myopathy.
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