]> 2026-07-31T08:08:24+00:00 WBR0025 0 en Universal ST segment elevation Although universal ST segment elevation is commonly seen in acute pericarditis, it is not a specific finding. T wave inversion and poor R wave progression. T wave inversion and poor R wave progression suggests ischemia, and is not specific for acute pericarditis. PR depression PR depression is the correct answer. Presence of a Q wave Presence of a Q wave suggests an old infarct, and is not specific for acute pericarditis. Poor R-wave progression Poor R-wave progression can imply an old anterior MI. Internal medicine Raviteja Reddy Guddeti MBBS, Aarti Narayan MBBS (Reviewed by Gonzalo Romero) A 62-year-old male presents to the ER with fever, fatigue, and sharp chest pain. The pain is relieved by sitting up and leaning forward. The patient describes the pain as "sharp and short". Auscultation reveals a friction rub. What is the most specific EKG finding in this patient? C Cardiovascular 2020-10-27T23:05:49Z 2459150.4623727 WBR0025