A 67-year-old man with hypertension and diabetes presents with dull central chest pain, radiating down his left arm. What is your diagnosis?
A. Anterior ST-segment elevation myocardial infarction (STEMI)
B. Lateral ST-segment elevation myocardial infarction (STEMI)
C. Inferior ST-segment elevation myocardial infarction (STEMI) with posterior extension
D. Posterior ST-segment elevation myocardial infarction (STEMI)