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Screening for Hypothyroidism
The purpose of screening is early diagnosis and treatment. Screening tests are usually administered to people without current symptoms, but who may be at high risk for certain diseases or conditions.
Screening Tests
A physical examination by your health care provider may reveal such signs of hypothyroidism as: a slow pulse, large tongue, or slowed reflexes.
The best screening test is a blood test that measures thyroid-stimulating hormone (TSH). A high level of TSH suggests hypothyroidism. Other blood tests include T4, T3 and TBG (thyroid binding globulin).
Screening Guidelines
Routine screening for thyroid disease with thyroid function tests is not recommended for children or adults who do not have symptoms, as per the U.S. Preventive Services Task Force.
SOURCES:
The American College of Physicians
American Society of Internal Medicine
National Guideline Clearinghouse
Last reviewed September 2004 by Kimberly Rask, MD, PhD
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