A 24-year-old man presents to the emergency room with acute chest pain and a nonproductive cough for the last 3 days. The chest pain increases with inspiration, ‘it is always there’, it is ‘bearable’ and sometimes moves to his neck and back. In review of systems, he reports that the chest pain gets worse with lying flat and improves by sitting up. His medical history is significant for Covid-19 infection ten days ago. He attends a local university and is a member of the athletic team. His temperature is 101 ⁰ F, heart rate is 62 beats per minute, respiratory rate is 12 breaths per minute, and blood pressure is 110/80 mm Hg. Physical examination is significant for a friction rub. No lymphadenopathy, no skin rashes, no oral abnormalities noted. ECG reveals diffuse upsloping ST segment elevation and PR segment elevation in lead aVR and PR segment depression in other leads.No pathologic Q waves or reciprocal changes are present .Laboratory tests reveal elevated troponin and C reactive protein. Chest x-ray is normal. Echocardiogram is normal. Which of the following is the most likely diagnosis in this patient?
