The nurse receives report on a 76-year-old patient who is recovering from surgery for creation of an ileal pouch-anal anastomosis. The nurse plans care to prevent which complication that is most specific to this patient?

The 50-year-old previously healthy patient complains of shortness of breath, especially on exertion or when laying down to sleep. She takes over-the-counter allergy medicine for seasonal allergies and melatonin to help her sleep sometimes. Her vital signs are heart rate of 64 bpm, respirations 22, oxygen saturation 99%, and blood pressure 114/68 mmHg. Her assessment is notable for crackles over the bilateral lung bases and a moderate diastolic apical murmur. The nurse prepares the patient for which initial tests? Select all that apply. 

The anxious 5-year-old child is found to have tachypnea, stridor on inspiration, and a “barking” cough. The nurse suspects which condition?