V/Q Assessment Flashcards Preview

Pulmonology > V/Q Assessment > Flashcards

Flashcards in V/Q Assessment Deck (3):
1

What are the primary causes of increased dead space?

Pulmonary vessel blockage
PE
Change in cardiac output
Pulmonary hypertension
PEEP ventilation
Emphysema
Shallow breathing

2

What are the primary causes of shunt?

Heart failure, pneumonia, ARDS

3

What are the primary causes of V/Q mismatch?

Increased airway resistance (asthma, bronchitis)
Hypoventilation
Diffusion defect
Congenital malformations