See the Radiation Safety page for more information about pregnancy and x-rays. If an x-ray is necessary, the doctor will take precautions to minimize radiation exposure to the baby. Doctors will not perform many tests during pregnancy to avoid exposing the fetus to radiation. Women should always tell their doctor and technologist
When fluoroscopy or CT is used, there will be minimal low-level radiation.Hitting the "wrong" nerve while trying to block the targeted nerve, if the nerves are close together.Unexpected spread of medication to other nerves or spinal canal.Accidental delivery of medication into the blood stream.Better ability to function in daily life without the restrictions previously caused by pain.
May help the doctor identify a more specific cause of pain.Temporary reduction of inflammation in the distribution of the nerve causing pain.The nurse will also make sure you don't have any unexpected side effects before you leave the doctor's office. When finished, you will be allowed to rest for 15 to 30 minutes to let the medication take effect. The doctor will most likely tell you when they insert the needle and when the injection is done. This will depend on how many areas of pain you have or how large an area is involved. The doctor may use an injection of contrast material to confirm needle position prior to injecting the medicine. They will insert the needle at a specific depth to deliver the medication as close to the problematic nerve(s) as possible. They will clean the area with antiseptic solution. The doctor will identify the spot where the needle needs to be placed, using palpation and/or imaging guidance. You will lie on a table or other surface to allow the doctor access to the site(s) to be injected. Nerve blocks usually take only minutes to administer.
Most common nerve blocks are administered in the operating room just prior to surgery. Ask your doctor if you will need to be admitted. However, some patients may require admission following the procedure. This procedure is often done on an outpatient basis.
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