Elderly Man With Chest Pressure

A 70-year-old man with a remote history of pericarditis and paroxysmal atrial fibrillation was brought to the emergency department (ED) by ambulance after he experienced chest pressure with associated lightheadedness and diaphoresis during a brisk 30-minute walk. An out-of-hospital ECG was performed during symptoms (Figure 1). Shortly after treatment with oxygen and aspirin, the symptoms resolved and a subsequent out-of-hospital ECG was performed before arrival to the ED (Figure 2).

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