The nurse is reviewing today’s patient assignments. Which patient does the nurse assess first?

The patient brought to the emergency department by police was found in the middle of traffic, alternating between grandiose declarations and expressing a desire to commit suicide. On physical assessment, the patient is tachycardic and hypertensive. The nurse suspects which diagnosis will be made?

The older adult patient is brought to the emergency department with sudden onset confusion, agitation, and hallucinations. The patient's past medical history is significant for type 2 diabetes managed with glyburide, anxiety managed with lorazepam, and insomnia managed with zolpidem. Upon assessment, the patient's heart rate and rhythm are regular, lungs are clear to auscultation, and bowel sounds are present. Vital signs are normal, with exception of a slightly elevated heart rate. Which is the most likely cause of the patient's symptoms?