Hyperthyroidism (Overactive Thyroid): Test and Diagnosis
1st-order laboratory parameters-obligatory laboratory tests. TSH (thyroid-stimulating hormone) and fT3 (triiodothyronine) and fT4 (thyroxine). TRH-TSH test – thyroid function diagnostics. Primary hyperthyroidism Secondary hyperthyroidism* TSH ↓ ↑ /normal fT3, fT4 ↑ ↑ * The most common cause of sec. Hyperthyroidism is a tumor (adenoma). Latent hyperthyroidism Manifest hyperthyroidism TSH ↓ ↓ fT3, fT4 (still) within … Hyperthyroidism (Overactive Thyroid): Test and Diagnosis