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SEM-III Fisiología General > Perfusión Pulmonar > Flashcards

Perfusión Pulmonar Flashcards

1
Q

Si la PA de O2 caé por debajo de ___ mmHg…

A

<72 mmHg
Vasoconstricción

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2
Q

Zonas pulmonares IMAGEN

A
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3
Q

Zona pulmonar + perfundida

A

Zona 3

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4
Q

Zona pulmonar - perfundida

A

Zona 1

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5
Q

Zona 1

A

PA ≥ Pa > Pv

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6
Q

Zona 2

A

Pa > PA > Pv

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7
Q

Zona 3

A

Pa > Pv > PA
(Mejor flujo e intercambio)

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8
Q

Presiones de zonas IMAGEN

A
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9
Q

¿Qué es el cociente de Va/Q?

A

Cociente de ventilación/perfusión

Relación entre cantidad de aire alv y flujo sang para intercambio óptimo

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10
Q

Va/Q de apex a base

A

3.3 - 0.63

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11
Q

Cociente Va/Q normal

A

0.93

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SEM-III Fisiología General (49 decks)

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