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Medición de la temperatura - Results

Valores normales:

La temperatura normal varía de una persona a otra, dependiendo de la edad, la hora día y el lugar del cuerpo donde ésta se tomó. La temperatura promedio normal es de 98.6° F (37° C).

La temperatura corporal generalmente es más alta en la noche y puede elevarse por la actividad física, las emociones fuertes, el consumo de alimentos, las ropas pesadas, los medicamentos, la temperatura ambiente y la humedad altas.

Las variaciones diarias cambian a medida que los niños crecen:

  • En niños menores de 6 meses, la variación diaria es pequeña.
  • En niños de 6 meses a 2 años de edad, la variación diaria es de aproximadamente 1 grado.
  • A la edad de 6 años, las variaciones diarias se incrementan gradualmente a 2 grados por día.
  • La temperatura corporal varía menos en los adultos. Sin embargo, el ciclo menstrual de una mujer puede elevar la temperatura en un grado o más.

Para obtener información acerca de cuándo llamar al médico debido a temperaturas y edades específicas, ver el artículo sobre la fiebre.

Significado de los resultados anormales:

Si la lectura en el termómetro es más de 1 a 1.5 grados por encima de la temperatura normal del paciente, quiere decir que la persona tiene fiebre. La mayoría de las fiebres constituyen un signo de infección y se presentan con otros síntomas. Las temperaturas anormalmente altas o bajas pueden ser graves y usted debe consultarle a un médico.

  • Reviewed last on: 5/13/2010
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Mackowiak PA. Temperature regulation and pathogenesis of fever. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 50.

Powell KR. Fever. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 174.

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