Anafilaxia

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Anafilaxia

La anafilaxia es un tipo sistémico (en todo el organismo) de reacción alérgica que se presenta cuando la persona se sensibiliza a ciertas sustancias o alergenos y se expone de nuevo al alérgeno. Algunos medicamentos como aquellos que se usan para aliviar el dolor o para radiografías pueden causar una reacción anafiláctica en la primera exposición. Las histaminas y otras sustancias que se liberan dentro del torrente sanguíneo causan dilatación de los vasos e inflamación de los tejidos. La anafilaxia puede amenazar la vida si se presenta una obstrucción de las vías respiratorias, si declina la presión sanguínea o si se presenta una arritmia cardíaca.

Version Info

  • Last Reviewed on 08/02/2012
  • Stuart I. Henochowicz, MD, FACP, Associate Clinical Professor of Medicine, Division of Allergy, Immunology, And Rheumatology, Georgetown University Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.

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This page was last updated: September 18, 2013

         
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