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Examen de T4 - Results

Nombres alternativos

Examen de tiroxina

Valores normales:

Un rango normal y típico oscila va de 4.5 a 11.2 microgramos por decilitro (mcg/dL).

Los rangos de los valores normales pueden variar ligeramente entre diferentes laboratorios. Hable con el médico acerca del significado de los resultados específicos de su examen.

Los ejemplos anteriores muestran las mediciones comunes para los resultados de estas pruebas. Algunos laboratorios usan diferentes medidas o podrían evaluar diferentes muestras.

Significado de los resultados anormales:

Los niveles de T4 superiores a lo normal junto con niveles bajos de hormona estimulante de la tiroides pueden deberse a afecciones que involucran una hiperactividad de la tiroides, como:

Los niveles de T4 inferiores a lo normal pueden indicar:

  • Hipotiroidismo (incluyendo enfermedad de Hashimoto y algunos otros trastornos que involucran hipoactividad de la tiroides)
  • Enfermedad
  • Desnutrición o ayuno
  • Uso de ciertos medicamentos
  • Reviewed last on: 4/20/2010
  • Ari S. Eckman, MD, Division of Endocrinology and Metabolism, Johns Hopkins School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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