By vgreene, 22 March, 2020 Hypoxemia. OI ≥4 or OSI ≥5 in invasively ventilated pts1 (OI preferred2); PaO2/FiO2 ≤300 mmHg or SpO2/FiO2 ≤264 in pts on bilevel NIV or CPAP w/ ≥5 cmH2O1 (PaO2/FiO2 preferred2)
By vgreene, 22 March, 2020 Pulm infiltrates resp failure1 hypoxemia not fully explained by cardiac failure or fluid overload1 incl in pts w LV heart dysfxn 2 if no ARDS risk objectively exclude hydrostatic edema eg w echo per WHO1
By vgreene, 22 March, 2020 BL opacities on chest imaging (CXR, CT) not fully explained by effusions, nodules, lobe/lung collapse per WHO;1 new infiltrates c/w acute parenchymal dz, per PALICC2