A 54-year-old man comes to the physician for a 2-day history of progressive shortness of breath. He underwent chemoradiotherapy for lung cancer one year ago. He has COPD and has been smoking 2 packs of cigarettes daily for the past 40 years. Physical examination shows jugular venous distention and 2+ pedal edema. The lungs are clear to auscultation. Heart sounds are distant. Blood pressure is 105/80. Renal function tests are elevated. An ECG is shown. Which of the following is the most likely explanation for this patient’s findings?
Anterior myocardial infarct
Pericardial effusion
Inferior myocardial infarct
Pericardial inflammation
Posterior myocardial infarct
