[Answered]: An infant with severe acute respiratory distress…

An infant with severe acute respiratory distress syndrome (ARDS) is being managed on mechanical ventilation. The healthcare team is monitoring various respiratory parameters to assess the severity of the child’s lung disease and to guide ongoing ventilator management. Which of the following best indicates the severity of lung disease in a child receiving mechanical ventilation? Qs/Q̀t (Shunt Fraction) RSBI (Rapid Shallow Breathing Index) OI (Oxygenation Index)