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Bilirrubina en sangre - Results

Nombres alternativos

Bilirrubina total en sangre; Bilirrubina no conjugada en sangre; Bilirrubina indirecta en sangre; Bilirrubina conjugada en sangre; Bilirrubina directa en sangre

Valores normales:

Es normal tener algo de bilirrubina en la sangre. Los niveles normales son:

  • Bilirrubina directa (también llamada conjugada): 0 a 0.3 mg/dL.
  • Bilirrubina total: 0.3 a 1.9 mg/dL.

Nota: mg/dL = miligramos por decilitro.

Nota: 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:

En los recién nacidos, los niveles de bilirrubina son más altos durante los primeros días de vida. El pediatra debe considerar lo siguiente al decidir si los niveles de bilirrubina de su bebé están demasiado altos:

  • Qué tan rápido se ha estado elevando el nivel.
  • Si el bebé nació prematuro.
  • Cuál es la edad del bebé.

La ictericia también puede ocurrir cuando se descomponen más glóbulos rojos de lo normal. Esto puede ser causado por:

Los siguientes problemas del hígado también pueden causar ictericia o niveles de bilirrubina altos:

Los siguientes problemas con la vesícula biliar o las vías biliares pueden causar niveles de bilirrubina más altos:

  • Reviewed last on: 2/20/2011
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Berk PD, Korenblat KM. Approach to the patient with jaundice or abnormal liver test results. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 150.

Pratt DS. Liver chemistry and function tests. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier;2010:chap 73.

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