The ability to identify an abnormality on the 12-lead ECG, suggestive of underlying cardiac disease associated with sudden cardiac death (SCD), is based on a sound working knowledge of the normal ECG ...

This ECG shows diffuse, concave upward, ST segment elevation and PR depression (best seen in leads II, V2, and V3) consistent with acute pericarditis. Also note the PR elevation in lead aVF which ...

ST segment elevation from pericarditis ... The most common ECG finding of an acute pulmonary embolism is sinus tachycardia; however, the classic finding is an S wave in lead I, Q wave in lead ...