Radioactive Iodine Uptake (RAIU) Thyroid Scan

ENDOCRINOLOGY

RAIU is used to differentiate causes of hyperthyroidism. You cannot do a RAIU thyroid scan if the patient recently got IV contrast or an amiodarone load because iodine blocks uptake of radioactive iodine (RAI). In that case, you will check autoantibodies instead. On a...