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ARDS Is A Biomechanical Syndrome
- ARDS is a biomechanical syndrome of noncardiogenic pulmonary edema caused by lung injury and impaired oxygenation.
- Current bedside diagnostic criteria are pragmatic but partly arbitrary and need updating.
Broaden Diagnosis To Include Nonintubated Patients
- Use the broader term "acute hypoxemic respiratory failure" to include non-intubated patients when considering management strategies.
- This enables evaluating pre-intubation interventions and care where ventilators are unavailable.
Favor Low Tidal Volumes And Measured PEEP
- Use low tidal volumes (~6 mL/kg ideal body weight) and avoid unnecessarily high PEEP.
- Give enough PEEP to maintain oxygenation but reduce it when oxygenation improves to avoid cardiovascular compromise.