FARMACOCINETICA FARMACODINAMIA · FARMACOCINETICA FARMACODINAMIA Author: antonio bandillo torres...

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FARMACOCINETICA FARMACODINAMIA DR JOSE ANTONIO BANDILLO TORRES URGENCIAS MEDICO QUIRURGICAS TOXICOLOGIA CLINICA

Transcript of FARMACOCINETICA FARMACODINAMIA · FARMACOCINETICA FARMACODINAMIA Author: antonio bandillo torres...

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FARMACOCINETICA

FARMACODINAMIA

DR JOSE ANTONIO BANDILLO TORRES

URGENCIAS MEDICO QUIRURGICAS

TOXICOLOGIA CLINICA

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FARMACOCINETICA

DINAMICAS DE ABSORCION

DISTRIBUCION

ELIMINACION DE FARMACOS

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FARMACOCINETICA

Para producir sus efectos característicos un fármaco debe alcanzar concentraciones adecuadas en los sitios donde actúa

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FARMACOCINETICA

Las concentraciones del fármaco activo (libre) alcanzadas , a pesar de que están en función de la dosis del producto administrado, depende también de la magnitud y la rapidez de su absorción , distribución (que expresa la unión a proteínas y tejidos) metabolismo (biotransformación ) y excreción .

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FARMACOCINETICA

ADME

ADMINISTRACION

DISTRIBUCION

METABOLISMO

ELIMINACION

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FARMACOCINETICA

SITIOS DE ACCION RECEPTORES

DEPOSITOS TISULARES

CIRCULACION GENERAL

FARMACO LIBRE FARMACO LIGADO

METABOLITOS

ABSORCION BIOTRANSFORMACION EXCRESION

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FARMACOCINETICA

MEMBRANAS CELULARES

Están formadas por una doble bicapa de lípidos.

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FARMACOCINETICA

Las proteínas de las membranas que están dentro de la bicapa sirven como receptores , canales de iones o transportadores para estimular “vias de señales “ electricas o quimicas y constituir blancos selectivos para la accion de medicamentos

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FARMACOCINETICA

Transporte pasivo

Penetra el medicamento por medio de difusión pasiva contra un gradiente de concentración gracias a la solubilidad de la bicapa de lípido

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FARMACOCINETICA

Directamente proporcional a la magnitud del gradiente de concentración a uno y del otro lado de la membrana

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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FARMACOCINETICA

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