STAT ECG Diagnoses: distinguishing STEMI from pericarditis, and the difference between Wellens waves and Wellens syndrome

UMEM Potpourri ECG Cases with Dr. Amal Mattu


A 54-year-old man presents to the emergency department with acute sharp chest pain that is positional and pleuritic. The following ECG is obtained:

Before watching the video, look closely at this ECG and ask yourself:

  1. What is your differential for the mild diffuse ST segment elevation seen?
  2. Are there ECG findings that suggests this is a large STEMI?
  3. What is the most likely diagnosis?