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Lidocaine
Pronunciation
Definition 1
A substance used to relieve pain by blocking signals at the nerve endings in skin. It can also be given intravenously to stop heart arrhythmias. It is a type of local anesthetic and antiarrhythmic. (NCI Dictionary)
Definition 2
A synthetic aminoethylamide with local anesthetic and antiarrhythmic properties. Lidocaine stabilizes the neuronal membrane by binding to and inhibiting voltage-gated sodium channels, thereby inhibiting the ionic fluxes required for the initiation and conduction of impulses and effecting local anesthesia. (NCI Thesaurus)
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