Recognizing Myocardial Infarction in Emergency Care

A 57-year-old male patient arrives in the emergency department with complaints of chest pain and shortness of breath. His past medical history includes hypertension and hyperlipidemia. Upon assessment, he is diaphoretic, has a heart rate of 110 bpm, and an elevated blood pressure of 160/100 mmHg. A 12-lead ECG reveals ST-segment elevation in leads II, III, and aVF. Based on this presentation, the most likely diagnosis is a __________.