ARDS
Ventilation in ARDS: Acute Respiratory Distress Syndrome, (ARDS) is a condition of diffuse alveolar damage and inflammation, secondary to any number of possible processes. While ARDS always causes hypoxemia, not all hypoxemia is ARDS. ARDS is the most common severe complication of COVID-19, contributing to the severe morbidity and mortality of the infection. ARDS is defined by 4 criteria: 1. 1. The condition must be acute (< 7 days) 2. 2. The findings are not solely explained by cardiogenic pulmonary edema 3. 3. The chest X-ray must have bilateral opacities 4. 4. While on at least 5 cmH 2 O of positive pressure ventilation, the ratio of PaO 2 to FiO 2 (expressed as a decimal, such as 0.7) must be < 300 1. Mild ARDS is a PaO 2 /FiO 2 ratio of 200-300 2. Moderate ARDS ...