A contrast medium study is being scheduled.Which statement by the patient during the assessment warrants further investigation by the nurse?

Question

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The nurse needs to establish whether the patient is truly allergic to shellfish,indicating sensitivity to iodine.The antiseptic used for the test has an iodine base and might cause a reaction; if so,the nurse or provider uses chlorhexidine or another agent for the skin preparation before the study.In addition,because many contrast mediums have an iodine base,the provider needs to choose an alternative dye.Establishing the nature of the reaction is important because the information provides valuable data for the radiologist to aid in choosing the proper contrast medium.It also establishes baseline data necessary when preparing for postprocedure nursing care.Small veins and urinary patterns do not pose potential problems for this type of test.Although the nurse should provide the patient with information to ease anxiety about the test,the allergy information is key to patient safety during this procedure.

A Contrast Medium Study Is Being Scheduled