BACKGROUND Anesthesia is the process of making a patient insensible to pain and other
sensations. It is the creation of a condition in which painful, traumatic, stressful, unpleasant,
boring, or frightening experiences are made palatable. This process is commonly achieved
with drugs both general and local. The process also requires modification of the autonomic
nervous system to eliminate sympathetic and parasympathetic responses to the painful
stimulus. If a patient has been rendered insensate to the Surgical stimulus through use of a …