A 39-year-old patient with a suspected herniated intervertebral disc is scheduled for a myelogram.Which information is most important for the nurse to communicate to the health care provider before the procedure?

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Iodine-containing contrast medium is injected into the subarachnoid space during a myelogram.The health care provider may need to modify the postmyelogram orders to prevent back pain,but this can be done after the procedure.Clear liquids are usually considered safe up to 4 hours before a diagnostic or surgical procedure.The patient's anxiety should be addressed,but this is not as important as the iodine allergy.

A 39-Year-Old Patient with a Suspected Herniated Intervertebral Disc Is