Patient: 2004, no effect. I want to take Isotope 131, but I don’t know what procedures to go through. Doctor: Hello! You have been taking hyperthyroid medication for three years for “hyperthyroidism”, so you must be suffering. Now you want to take isotope iodine 131, which should be a wise choice for you! Generally, you will have to go through the following procedure: You will have to go to the nuclear medicine department, and you may have to take five tests to see how your hyperthyroidism is now. If you are still hyperthyroid, your doctor will make an appointment for an iodine 131 uptake test (two consecutive mornings), and if the test results allow for iodine 131 treatment, then an ECT test will be performed to determine the weight of your thyroid gland, and then you will go to the nuclear medicine department to set the dose of iodine 131 and pay for it at the prescribed time.