Practice Level 3 Case 45: A 51-Year-Old Man with Severe Anterior Chest Pain History Diagnosis History A 51-year-old man is brought to the Emergency Department 1 1/2 hour after the onset of severe retrosternal chest pain: Diagnosis Sinus tachycardia, 101/minAcute anterior infarctionPossible inferior infarction, age undetermined ECG ID: E499 Bookmark Please login to bookmark Username or Email Address Password Remember Me No account yet? Register