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Estridor - Overview

Nombres alternativos

Ruidos respiratorios anormales; Obstrucción extratorácica de las vías respiratorias

Definición:

Es un sonido respiratorio anormal, chillón y musical causado por un bloqueo en la garganta o la laringe y generalmente se escucha al inhalar.

Ver también: sibilancias

Consideraciones generales:

Los niños corren mayor riesgo de sufrir obstrucción de las vías respiratorias pues éstas son más estrechas que las de los adultos. En los niños pequeños, el estridor es una señal de obstrucción de las vías respiratorias y tiene que ser tratado de inmediato para evitar su obstrucción total.

Las vías respiratorias pueden resultar bloqueadas por un objeto, hinchazón de los tejidos de la garganta o de las vías respiratorias altas, o por un espasmo de los músculos de las vías respiratorias o de las cuerdas vocales.

Causas comunes:

Las causas comunes de estridor abarcan:

  • Reviewed last on: 4/26/2010
  • Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Sobol SE, Zapata S. Epiglottitis and croup. Otolaryngol Clin North Am. 2008;41(3);551-566.

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