The patient has a peripherally inserted central catheter (PICC) for the long-term administration of parenteral nutrition, oxacillin, and gentamicin. Which assessment findings, if present in the patient, indicate the patient is experiencing a complication of the PICC line? Select all that apply.

A patient presents to the emergency department with respiratory distress syndrome. The patient’s respiratory rate is 28 breaths per minute and oxygen saturation is 80% on room air. At the cellular level, the nurse knows which molecule is present in relative overabundance?

The nurse is notified the patient's heart monitor shows ventricular fibrillation. Initial assessment reveals strong peripheral pulses and even, unlabored respirations with an oxygen saturation of 98%. Which action does the nurse take first?