Table 1.
ARDS checklist
| Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 7 | |
|---|---|---|---|---|---|---|---|
| Timing: Within 1 week of a known clinical insult or new or worsening respiratory symptoms | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ |
| Chest imaging: Bilateral opacities not fully explained by effusions, lobar/lung collapse or nodules | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ |
| Origin of oedema: Respiratory failure not fully explained by cardiac failure or fluid overload | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ |
| Oxygenation | |||||||
| Mild: 200 mm Hg <PaO2/FiO2 ≤300 mm Hg with PEEP or CPAP≥5 cm H2O | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ |
| Moderate: 100 mm Hg <PaO2/FiO2 ≤200 mm Hg with PEEP ≥5 cm H2O | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ |
| Severe: PaO2/FiO2 ≤100 mm Hg with PEEP ≥5 cm H2O | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ | Yes □ |
| Has the patient developed ARDS? | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ | Yes □ No □ |
ARDS, acute respiratory distress syndrome; CPAP, continuous positive airway pressure; FiO2, fraction of inspired oxygen; PaO2, partial pressure of arterial oxygen; PEEP, positive end-expiratory pressure.