12b- V/Q Ratio Flashcards Preview

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Flashcards in 12b- V/Q Ratio Deck (2)
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1

What is the optimum Ventilation/Perfusion ratio at an alveolar level?

(ie- alveolar ventilation= 4900ml/minute and pulmonary bloodflow= 4900ml/minute)

V/Q ratio= 1

2

V/Q mismatch is the most common cause of hypoxaemia. Outline how a V/Q mismatch can be caused.