What is Anesthesia?
Anesthesia is a medicine that is used to numb the sensation of any part of the body so that a person does not feel any pain during a surgery/operation. Anesthesia is usually given as an injection or through vapors or inhaling gases. Different types of anesthesia affects the nervous system in many ways by blocking nerve reactions and, therefore numbs the sensation resulting in not feeling any pain.
General anaesthesia acts primarily on the brain and central nervous system to make the patient unconscious and unaware. It is usually injected into the circulatory system. General anaesthesia is used for major surgeries.
Local anaesthesia given to temporarily numb the sense in a particular area of the body. The patient remains conscious during local anaesthesia. Local anaesthesia is usually given for minor surgeries.
Regional Anaesthesia involves an injection of a local anaesthetic that is used for numbing major nerves or the spinal cord to block pain from limited part of the body.
Spinal: Spinal anaesthesia is often used for lower body extremity like pelvic, rectal or lower abdominal surgery. It involves injecting a single dose of the anaesthetic agent into the spinal cord which numbs the lower body.
Epidural: Epidural is similar to a spinal anaesthetic and also is commonly used for any surgical procedures that are done around the lower limbs and especially used during labor and childbirth.
Nerve blocks: Nerve blocks are anaesthetic agents that are injected near a specific group of nerves or a specific nerve to block the sensation of pain in that particular area. Nerve blocks are commonly used for surgeries done on the face, hands, arms, legs and feet.