The patient in the intensive care unit is intubated, sedated, and chemically paralyzed following decompensation due to necrotizing pneumonia. During the routine neurological check, the nurse notes these pupils: How does the nurse interpret this assessment?

A 41-year-old male complains of sudden onset of severe chest pain and describes it as a constant tearing sensation that radiates to his lower back. The nurse is most suspicious of which condition?

A nurse is assigned to a 75-year-old patient with head trauma secondary to falling down the stairs at home. The patient is stable initially, complaining of headache and some dizziness, but no focal neurologic signs. That evening, the patient acutely becomes altered and rapidly loses consciousness. Which of the following most likely explains this patient’s condition?