There are several types of regional anesthesia:

  1. Local- Loss of pain is produced by directly injecting local anesthetics into the area to be treated.
  2. Spinal, Epidural and Caudal- Involve an injection of a local anesthetic into the lower back between the vertebrae. These anesthetics are commonly used in obstetrics and surgical procedures of the lower abdomen, pelvis, and lower extremities.
  3. Nerve blocks- involve the administration of the anesthetic agents in the area of a single group of nerves to numb the extremities our other parts of the body.
  4. Intravenous block- involves the injection of a local anesthetic into the veins of an extremity; e.g., hand or forearm for carpal tunnel surgery.

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