You are evaluation an infant in the emergency department who presents with poor tone, constipation, weak cry and ptosis. You notice the child has poor respiratory effort on exam. The family reports on recent history of illness or fever. Which of the following should be considered first on your differential? 

Choose which ventilator adjustment will improve ventilation as opposed to improving oxygenation. 

Which of the following is not characteristic of a brief resolved unexplained event (BRUE)?

Which of the following is NOT part of the criteria for ARDS?

Which would not be a differential diagnosis for a toddler with recurrent lobar pneumonia?

Which of the following findings supports the idea that a patient does not have an upper motor neuron lesion?

Which of the following diagnostic findings requires immediate referral to a specialist?

Which of the following is most associated with improved outcomes with bronchiolitis?

A 4 year old with a known seizure disorder had a prolonged seizure at home. Parents gave rectal valium of 5mg. She continued to have seizure activity and arrived to the ED with continued persistent bilateral eye twitching and lip movements. She is unresponsive to stimuli. Oxygen saturations are 100% with a non-rebreather on. Paramedics were unable to start an IV en route. What would be the BEST first step?

You are admitting a 3 month old infant who weighs 3.5 kg who is a former 29 week gestation infant. They are being admitted for respiratory distress with likely bronchiolitis. The infant is tachypneic with RR of 80 and is having frequent brief apneic episodes that respond quickly to tactile stimulation. Currently on 2 L oxygen via simple nasal cannula. Which is the BEST next step in management?