Reajuste al nacer
7
REAJUSTES CIRCULATORIOS AL NACER
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Transcript of Reajuste al nacer
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REAJUSTES CIRCULATORIOS AL NACER
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ANATOMIA ESPECIAL DE LA CIRCULACION FETAL
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CAMBIOS DE LA CIRCULACION FETAL TRAS
EL PARTO CIERRE DEL AGUJERO OVAL
CIERRE DEL CONDUCTO ARTERIOSO CIERRE DEL CONDUCTO VENOSO
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CIERRE DEL AGUJERO OVAL
(-)PRESION A.D
(+)PRESION A.IAgujero oval
Válvula pequeña
Cierra el orificio
Fluye de forma retrograda
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CIERRE DEL CONDUCTO ARTERIOSO(+)PRESION
AORTICA
(-)PRESION PULMONAR
Fluye de forma retrograda Conducto arterioso
Pared muscular
Vasoconstricción
CIERRE FUNCIONAL DEL CONDUCTO ARTERIOSO.
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CIERRE DEL CONDUCTO VENOSO
pared muscular del conducto venoso se contrae
de 1-3 horas
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NUTRICION DEL NEONATO
Glucosa sangre materna Lactante, glucosa almacenada Leche materna