The nurse is evaluating the arterial blood gas results of the patient on hospice with the following respiratory pattern: The patient’s PaCO₂ is 62 mm Hg, which is 20 mm Hg higher than the previous ABG. The nurse understands the patient’s blood gas was drawn at which period in the patient’s respiratory cycle?

A 13-year-old patient presents to the emergency department in a disoriented state with tachycardia, tachypnea, hypotension, and hypothermia. Upon assessment, the nurse notes the patient’s breath smells like acetone, the mucous membranes are dry, and the patient has poor skin turgor. The nurse knows which test is the priority?

The nurse is preparing to discharge the patient following surgical creation of an arteriovenous fistula. For which complication is this patient most at risk?