Author: Gianpiero Pescarmona
Date: 11/01/2017


Hyperthyroidism is the term for overactive tissue within the thyroid gland, resulting in overproduction and thus an excess of circulating free thyroid hormones: thyroxine, triiodothyronine (T3), or both . Thyroid hormone is important at a cellular level, affecting nearly every type of tissue in the body. It functions as a stimulus to metabolism, and is critical to normal function of the cell. In excess it overstimulates, causing "speeding up" of various body systems, and thus symptoms: Fast heart beat results in palpitations, a fast nervous system in tremor and anxiety symptoms, a fast digestive system in weight loss and diarrhea.

Hyperthyroidism may depend on increased production of:



T3 from T4

Phosphodiesterase 8B gene variants are associated with serum TSH levels and thyroid function. 2008

Patients info

Hyperthyroidism Overview at endocrineweb

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