ARDS

Question 0

Findings in Chest CT

Answer 0

Extensive heterogeneity of lungs

Question 1

Differential diagnosis of ARDS

Answer 1

1. Cardiogenic pulmonary edema
2. Diffuse pneumonia
3. Alveolar hemorrhage

Question 2

Findings in CXR

Answer 2

Alveolar and interstitial opacities involving at least 3/4 of lung fields

Question 3

Three phases of ARDS

Answer 3

1. Exudative
2. Proliferative
3. Fibrotic

Question 4

Days of exudative phase?

Answer 4

Days 1-7

Question 5

Days of proliferative phase?

Answer 5

Days 7-21

Question 6

Characteristic of pulmonary infiltrate in proliferative phase?

Answer 6

Shift from neutrophilic to lymphocytic pulmonary infiltrate

Question 7

Function of type II pneumocytes present in the reparative process?

Answer 7

Synthesize new pulmonary surfactant

Question 8

Marker of pulmonary fibrosis?

Associated with increased mortality and protracted clinical course

Answer 8

Alveolar Type III procollagen peptide