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What is Upper dose limit of lignocaine in a 70 kg adult is and explain in detail?
Few common local anaesthetic drugs Name Maximum dose Comments Lignocaine 3 mg/kg (7 mg/kg with adrenaline) Early onset, sho acting, good sensory block Bupivacaine 2 mg/kg Long lasting, more cardio toxic, must never be used intravenously Prilocaine 6mg/kg (9 mg/kg with adrenaline) Least systemic toxicity, causes methemoglobinemia) Ropivacaine 3-4 mg/kg Less cardio toxic, greater sensory-motor seperation Levobupivacaine 2mg/kg Isomer of Bupivacaine with fewer cardio toxic propeies Ref: Bailey and love 27th edition Pgno : 273