Local Anesthetics

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Local Anesthetics (LA) prevent or relieve pain by interrupting nerve conduction. LAs can be divided into three categories: short acting (45-90 minutes), intermediate duration (90-180 minutes), and long acting (4-18 hours) and are mainly used for regional anesthesia techniques. The role of and demand for regional anesthesia will continue to grow as it has became evident that these techniques considerably improve patient outcome.