You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is When can one diagnose acute respiratory distress in a child? and explain in detail?
Diagnostic criteria of ARDS in children: BERLIN DEFINITION CRITERIA Timing Within 1 wk of a known clinical insult or new or worsening respiratory symptoms Chest X-rays or tomography scan Bilateral opacities not fully explained by effusions, lobar/lung collapse, or nodules Origin of edema Respiratory failure not fully explained by cardiac failure or fluid overload Oxygenation Mild: PaO2/FiO2 - 200-300 mm Hg Moderate: PaO2/FiO2 - 100-200 mm Hg Severe: PaO2/FiO2 <100 mm Hg