(a) Epidural.(1) Nerve damage.(2) Persistent back pain.(3) Headache.(4) Bleeding/epidural hematoma.(5) Infection.(6) Medical necessity to convert to general anesthesia.(7) Brain damage.(8) Chronic pain.(b) General.(1) Permanent organ damage.(2) Memory dysfunction/memory loss.(3) Injury to vocal cords, teeth, lips, eyes.(4) Awareness during the procedure.(5) Brain damage.(c) Spinal.(1) Nerve damage.(2) Persistent back pain.(3) Bleeding/epidural hematoma.(4) Infection.(5) Medical necessity to convert to general anesthesia.(6) Brain damage.(7) Headache.(8) Chronic pain.(d) Regional block.(1) Nerve damage.(2) Persistent pain.(3) Bleeding/hematoma.(4) Infection.(5) Medical necessity to convert to general anesthesia.(6) Brain damage.(e) Deep sedation.(1) Memory dysfunction/memory loss.(2) Medical necessity to convert to general anesthesia.(3) Permanent organ damage.(4) Brain damage.(f) Moderate sedation.(1) Memory dysfunction/memory loss.(2) Medical necessity to convert to general anesthesia.(3) Permanent organ damage.(4) Brain damage.(g) Prenatal/Early Childhood Anesthesia. Potential long-term negative effects on memory, behavior, and learning with prolonged or repeated exposure to general anesthesia/moderate sedation/deep sedation during pregnancy and in early childhood.