Ventilatie perfusie verhoudingen Flashcards

1
Q

V

A

gasvolume

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2
Q

Q

A

bloedvolume

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3
Q

V’

A

gasvolume/tijd

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4
Q

Q’

A

bloedvolume/tijd

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5
Q

VE’

A

totale expiratoire volume

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6
Q

Va

A

alveolair volume

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7
Q

AMV

A

ademminuutvolume

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8
Q

Vt

A

teugvolume

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9
Q

pCo2 stijgt

A

centrale chemosensoren registreren dit > AMV omhoog

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10
Q

V’/Q’ = 0

A

shunt, er gebeurt niks met het bloed

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11
Q

V’/Q’= oneindig

A

dode ruimte ventilatie

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12
Q

V’/Q’

A

ideale situatie

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13
Q

Waar is de ventilatie groter en waarom?

A

Onderin, door kleinere alveoli. Deze kunnen onderin meer uitzetten. Perfusie is ook het grootst onderin

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14
Q

Spontane ademhaling

A

Liggen: buikinhoud naar rugzijde > diafragma omlaag, meeste ventilatie naar rugzijde

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15
Q

beademing

A

diafragma verslapt: meeste ventilatie naar buikzijde, perfusie is in rugzijde nog steeds het grootst. Verstoring in bloedgassen, kan opgelost worden door iemand op buik te leggen

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