ECG Basics & Fundamentals: electrical alternans is present in less than 1/3 of patients with proven cadiac tamponade

ECG Weekly Workout with Dr. Amal Mattu


A 56-year-old woman with history of breast cancer presents to the ED with chest pain and dyspnea. She is found to be afebrile, tachypneic, and tachycardic with a normal blood pressure. The following ECG is obtained:

Before watching this week’s video, ask yourself these questions:

  1. What ECG abnormalities do you notice?
  2. What is your suspected diagnosis?
  3. How would you manage this patient?