ARDS_Lect 13

Question 1

Is ARDS associated with alveolar hypo or hyperventilation?

Answer 1

Alveolar Hypoventilation

Question 2

Name 3 etiologies of Direct and Indirect Lung Injury?

Answer 2

Direct: pneum, aspiratxn, near drown, toxic inhale, trauma, reperfusion

Indirect: nonpulm sepsis, pancreatitis, meds, trauma/burns, bypass

Question 3

On physical exam, which findings distinguish hydrostatic from permeability pulm edema?

Answer 3

Hydrostatic: JVD, S3/S4, murmur, pedal edema

Permeability: Focal infxn, NO pedal edema

Question 4

Exudative is associated with what pathophysiology?

Answer 4

refractory hypoxemia, decreased compliance

Question 5

Proliferative is associated with pathophysiology?

Answer 5

increase dead space, pulm HTN