Tag Archives: lignocaine

Local anaesthetics

Classification Ester LA’s Cocaine(first used LA) Procaine(LA of choice in malignant hyperthermia) chlorprocaine(Shortest acting) Tetracaine Benzocaine Amide LA’s Lignocaine Prilocaine(Methemoglobinemia) Bupivacaine(Most cardiotoxic) Dibucaine(Longest acting) Mepivacaine Etidocaine Ropivacaine Properties of LA’s All LA’s are weak bases,so sodium bicarbonate speeds up the …

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