The patient with severely elevated intracranial pressure that has been well-controlled with medication and CSF drainage is intubated and sedated; the most recent arterial blood results are as follows: pH = 7.32, pCO2 = 35 mm Hg, PaO2 = 58, HCO3- = 16, Base excess = -7. The nurse advocates for which order to change ventilatory support?

A teenager with type 1 diabetes mellitus presents to the emergency department with worsening illness, vomiting, and fatigue. Upon assessment, the nurse notes a sweet, fruity odor on the patient’s breath and suspects diabetic ketoacidosis (DKA). Which additional symptom(s) would confirm the diagnosis of diabetic ketoacidosis? Select all that apply.

The 75-year-old patient presents to the emergency department complaining of a severe headache that is localized behind the right eye. The patient is nauseous and vomits upon standing. While wearing glasses, the visual acuity is 20/25 in the left eye and 20/110 in the right (records show it is normally also 20/25 corrected). Her left pupil is equal, round, and reactive to light and accommodation; it is measured at 3 mm. Her right pupil reacts only minimally to light and measures at 5 mm; it is round. The provider palpates the eye and reports that it is tense. Her heart rate is 102 bpm and blood pressure is 118/84 mmHg. The nurse anticipates providing which intervention first?