甲状腺功能减退(以下简称甲减)是由于血循环中缺乏甲状腺激索所引起的。典型的症状有怕冷、乏力、食欲减退、大便干结及皮肤干、冷、粗厚,面容虚肿、无表情,心率缓慢,跟睫反射弛缓时间延长、同时通过基础代谢率、血浆蛋白结合碘、血胆固醇和甲状腺碘摄取率等的测定,均有助于诊断。但由于不典型甲减有时却以某一症 Hypothyroidism (hereinafter referred to as hypothyroidism) is due to lack of thyroid stimulus in the blood circulation caused. Typical symptoms are cold, fatigue, loss of appetite, dry stool and skin dry, cold, thick, face swelling, expressionless, slow heart rate, with the reflection of the eye relaxation time extended, while basal metabolic rate, plasma protein bound to iodine , Blood cholesterol and thyroid iodine uptake rate determination, are helpful in the diagnosis. However, due to atypical hypothyroidism sometimes with a certain disease