Course: A Young Patient With Hives and Chest Pain
CME Credits: 1.00
Released: 2021-04-21
A patient in their 20s presented to the emergency department with presyncope, hives, and nausea after walking outside in the cold. On arrival, their pulse was 120 beats per minute; blood pressure, 85/52 mm Hg; respiratory rate, 20 breaths per minute; oxygen saturation, 100% with a nonrebreather mask; and temperature, 36.8° C. The patient was in moderate respiratory distress, and chest auscultation revealed bilateral wheezing. They were treated for presumed anaphylaxis with 0.5 mg of epinephrine intramuscularly. Immediately after the administration of epinephrine, they developed a headache, nausea, and chest pain. A 12-lead electrocardiogram (ECG) was obtained 5 minutes later (). The patient had persistent hypotension.
Educational Objective
Based on this clinical scenario and the accompanying image, understand how to arrive at a correct diagnosis.
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