system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In the suppo of the child with severe ARDS, appropriate goals for pH, oxygenation, and PCO2 include:
assistant
The correct answer is  This reflects the lung protection strategy with permissive hypercarbia. There is no need for hyperoxia, and PaO2 >90 mm Hg is a sign to reduce the FiO2 and thus potentially decrease the risk of oxygen toxicity.