Abstract
Fragmento
INTRODUCCION
Actualmente se considera como hipertiroidismo el síndrome determinado por el aumento en los niveles sanguíneos de la tiroxima libre, cuyos valores normales oscilan cerca de los 3 ng + 0.5 por 100/ml. Este síndrome puede producirse por la administración de hormona tiroidea (T4 ó T3), hormona estimulante tiroidea (TSH) o de hormona liberadora tiroidea (TRH). Sabemos también que el hipertiroidismo se produce transitoriamente durante la tiroiditis sub-aguda o la radiación tiroidea o por tumores secretorios hipofisiarios de TSH.
References
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