What defines regional anesthesia?

Regional anesthesia is defined by its ability to induce loss of sensation in a specific area of the body by targeting sensory nerves. This technique involves the injection of anesthetic agents near nerves that supply the region where surgical or diagnostic procedures are to be performed. The key aspect of regional anesthesia is that it preserves consciousness, allowing patients to remain awake and aware while only the designated area is rendered insensate.

This method is particularly beneficial for procedures involving the limbs or lower abdomen, as it provides effective pain control while avoiding the systemic effects associated with general anesthesia. The focused nature of regional anesthesia makes it suitable for outpatient procedures and can lead to faster recovery times, as patients often experience fewer side effects compared to those undergoing general anesthesia.