Thyroid activity can be assess with the help of certain tests.
1. Blood tests:- This is usually done to measure the levels of TSH, T4, T3 and free T4 in body.
2. Imaging tests:- Several imaging tests are done like MRI, CT scan, and radioactive iodine uptake test.
3. General tests:- The thyroid neck check, checking body weight, B.P., heart **** and basal body temperature.
