The neonate with suspected Hirschsprung disease is scheduled to undergo testing to definitively diagnose the disorder. Which assessment finding prompts the nurse to request the procedure be postponed?

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 nurse is preparing to remove a patient’s chest tube. Which instruction does the nurse give the patient?