Table 1:
Diagnostic Criteria for ALI and ARDS [
6
].
ALI Criteria
ARDS Criteria
Acute Onset
Acute Onset
P
a
O
2
/FiO
2
≤ 300 mmHg
P
a
O
2
/FiO
2
≤ 200 mmHg
Chest Radiograph: Bilateral infiltrates
Chest Radiograph: Bilateral infiltrates
No evidence of left atrial hypertension
No evidence of left atrial hypertension