Review Question - QID 210773

A 33-year-old woman presents to the emergency department with chest pain. She states the pain started 2 hours ago and has not improved. She is an immigrant from Guatemala and states she has no previously diagnosed medical conditions. Recently, she has been experiencing severe spells of shortness of breath. She also admits to having lost 10 pounds over the past 2 weeks. She drinks 5 alcoholic beverages per day and uses cocaine occasionally. She recently was on a long flight back from her country of origin. Her temperature is 99.1°F (37.3°C), blood pressure is 122/58 mmHg, pulse is 140/min, respirations are 15/min, and oxygen saturation is 99% on room air. An EKG is obtained as seen in Figure A. On physical exam, the patient's skin is warm and sweaty and she speaks rapidly and appears irritated. Which of the following is associated with the underlying cause of this patient's presentation?