radioactive iodine uptake…

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what the risks are radioactivity test, iodine uptake test, raiu, radioactive iodine uptake, raiu, test of thyroid function, orally ingested radioactive iodine that accumulates, in the thyroid gland, "thyroid scan ", measured, raiu, type of nuclear test, the thyroid that measures how much radioactive iodine is taken up by the thyroid gland, given time period, asked, ingest radioactive iodine, i-123, i-131, in liquid, capsule form, after a time, 6, 24-hours later, must return to have the radioactivity measured, a probe, gamma probe, placed over the thyroid gland, in the neck to measure the amount, radioactivity, in the thyroid gland, amount, radioactivity is compared, the original dose of radioactivity, reported, a percent, the original dose, fast, 8 hours, consult, the health care provider, history of factors, affect the test, "special considerations", restrict iodine, thyroid, anti-thyroid, medications, 1 week, no discomfort, eat beginning, 1 to 2 hours after ingesting the radioactive iodine, resume a normal diet, the test is finished, the scanning, asked, lie on a table the scanner, over the neck, scan takes, 30 minutes, this test is performed to evaluate thyroid function, blood tests of thyroid function, t3, t4 levels, have abnormal results, 6 hours, 3 to 16%, 24-hours, 8 to 25%, laboratories only measure at 24-hours, some variation in values, dietary iodine ingestion, laboratory procedural differences, increased, greater than 35% at 24-hours, considered elevated, hyperthyroidism, hashimoto's thyroiditis, goiter, decreased, hypothyroidism, subacute thyroiditis, iodine overload, excessive iodine ingestion, "special considerations", additional conditions under which the test performed, colloid nodular goiter, graves' disease, painless, silent, thyroiditis, toxic nodular goiter risk is minimal, radioactivity is very small, have been no documented side effects, radiation exposure, test is not recommended, pregnant, breastfeeding, iodine used is less than a normal dietary iodine intake, a history of iodine, contrast dye, allergy, does not necessarily contraindicate testing, history of allergy to dietary iodine, shellfish, contraindicate this test, radioactive iodine is excreted, in the urine, radioactivity is minute, special precautions, not be advised, 24 to 48 hours, simply includes flushing twice after urinating, radiology/nuclear medicine department performing the scan, interfering factors, iodine-deficient diet, iodine-excessive diet, recent, the past two weeks, radiologic procedures using iodine-based contrast, diarrhea, decrease absorption, the radioactive iodine, drugs that increase results include barbiturates, estrogen, lithium, phenothiazines, thyroid stimulating hormone, drugs that decrease results include acth, antihistamines, corticosteroids, lugol's solution, nitrates, sski, saturated solution of potassium iodide, thyroid drugs, anti-thyroid drugs, tolbutamide.