 The patient was a 27-year-old Hispanic man who presented with symptoms of confusion and hallucinations. He was a thin man but appeared to be well developed and well nourished. The patient paced the room during the examination. He appeared anxious and distracted. He was coherent, yet he had poor concentration and was unable to cooperate fully with the examination. The patient had a pulse rate of 110 beats per minute and blood pressure of 186/101 mm Hg when reclining; and a pulse rate of 122 beats per minute and blood pressure of 166/92 mm Hg when standing. His oral temperature was 100.8 degrees Fahrenheit, and his respiratory rate was 12 breaths per minute.