Resumen

PARLA SARDINAS, Judith. Hypothyroidism. Rev Cubana Endocrinol [online]. 2012, vol.23, n.3, pp.208-212. ISSN 1561-2953.

Hypothyroidism is the clinical picture resulting from the reduction of thyroid hormone production. It affects 1 to 2 % of the general population. It is classified from the anatomical and etiological viewpoint and the presence or absence of goiter. The diagnosis is clinical (questioning and physical exam) and humoral (high TSH levels and low free T3 and T4 levels). The treatment is aimed at eliminating the deficiency of thyroid hormones until clinical and biochemical euthyroidism is achieved. The replacement treatment with thyroid hormone is lifelong at a dose of 1.7 µg/kg/day. The level of TSH indicates the individual optimal dose of sodium levothyroxine that should be used.

Palabras clave : hypothyroidism; goiter; sodium levothyroxine.

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