Medical Term:

succinylcholine

Pronunciation: sŭk′si-nil-kō′lēn

Definition: A neuromuscular relaxant with short duration of action that characteristically first depolarizes the motor endplate (phase I block) but is often later associated with a curarelike, nondepolarizing neuromuscular block (phase II block); used to produce relaxation for tracheal intubation and during surgical anesthesia.

Synonym(s): diacetylcholine, suxamethonium

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