A three-year-old boy has presented to the ER with respirator…

A three-year-old boy has presented to the ER with respiratory distress and stridor accompanied by drooling. The physician suspects epiglottitis, but cannot rule out other possibilities, such as severe tonsillitis or foreign body obstruction. Which of the following diagnostic procedures would you recommend in this situation?

A 10-year-old cystic fibrosis patient is receiving continuou…

A 10-year-old cystic fibrosis patient is receiving continuous aerosol therapy via a disposable large volume nebulizer, delivering an FiO2 of 0.40 at 10 L/min. The child is coughing frequently and producing thick, tenacious secretions. What action would be most efficacious in increasing the water output of the nebulizer?