Practice Level 2 Case 56: A 30-Year-Old Man with Chest Pain History Diagnosis History A 30 year old man is seen in the Emergency Department for a one day history of anterior chest pain. Diagnosis Sinus tachycardia (104/min) Acute pericarditis On auscultation there was a pericardial friction rub, that confirmed the diagnosis. ECG ID: E109 Bookmark Please login to bookmark Username or Email Address Password Remember Me No account yet? Register