Ventilation- Perfusion Matching Flashcards
1
Q
At rest, what can be said about the ventilation and perfusion match?
A
They are equal at around 5l/min
2
Q
What is the V/Q match of alveolar dead space?
A
Ventilated areas without any perfusion
V/Q = infinity
3
Q
In what diseases should a V/Q matching be done?
A
COPD
Asthma
Pneumonia
Pulmonary oedema
4
Q
What occurs in hypoxic vasoconstriction?
A
Blood is directed to area of the lung with better perfusion
