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Hough Everyweekend > Ventilation & Perfusion > Flashcards

Ventilation & Perfusion Flashcards

1
Q

What is ventilation ?

A

Gas movement between the outside of the body and the alveoli
I.e. Inspiration and expiration

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2
Q

What is a low VQ ratio ?

A

The lung is perfused but not adequately ventilated

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3
Q

What is shunt ?

A

The fraction of cardiac output that is not exposed to gas exchange in the pulmonary capillary bed. Shunt is caused by a low VQ ratio.

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Hough Everyweekend (4 decks)

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