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ECCPodcast: Emergencias y Cuidado Crítico

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Oct 5, 2015

Los vasopresores e inotrópicos son medicamentos sumamente útiles en circunstancias apropiadas. Para entender el efecto de medicamentos vasoactivos es necesario conocer cuáles receptores se encuentran en los vasos sanguíneos y en el corazón.

Receptores alfa

  • Aumentan tono arterial (aumentan el MAP)
  • Aumentan tono venoso (aumentan la precarga)

Receptores beta

  • Aumentan frecuencia cardiaca (cronotrópicos)
  • Aumentan contractilidad cardiaca (inotrópicos)
  • Vasodilatación arterial
  • Broncodilatación

Receptores dopaminérgicos

  • Estimulan diuresis
  • Aumentan frecuencia cardiaca
  • Aumentan contractilidad cardiaca
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