Differential DIagnoses: right axis deviation, prolonged QT interval, and a wide QRS

ECG Weekly Workout with Dr. Amal Mattu


A 46-year-old man with no known past medical history presents to the ED with recurrent witnessed seizures, actively seizing. The seizures are not responding to treatment with benzodiazepines. 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 differential diagnosis?
  3. How would you treat this patient?