Task: Question Answering
Input (English): Question: Question linked to the image nº4 34-year-old man, athlete, who presents a picture of oppressive, continuous chest pain radiating to the back that is accentuated with deep inspiration, of 4 days of evolution, without fever. It refers to a picture of tonsillitis 2 months ago. Rhythmic cardiac auscultation without murmurs. It does not present data of hemodynamic alteration or heart failure. Normal analytical, except for discrete leukocytosis. When you arrive at the emergency room, an ECG is performed, shown in the figure. While waiting for the result of markers of myocardial injury, the most likely diagnosis in this patient is: 
 Options:  <1> Subacute myocardial infarction anteroseptal. <2> Tietze syndrome. <3> Osteomuscular thoracic pain with athlete's ECG. <4> Acute pericarditis <5> Unstable angina.
Output (English): 4