Differential Diagnoses: important considerations in patients with new onset seizures or altered mental status, must know diagnoses in the emergency department

ECG Weekly Workout with Dr. Amal Mattu


A 40-year-old man is brought into the ED after being found in the street and noted to have intermittent seizures. He is tachycardic, hypertensive, and febrile. The following ECG was obtained:

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

  1. What axis and interval abnormalities do you notice?
  2. What is your differential for right axis deviation with wide QRS complexes?
  3. What is the most likely cause?
  4. How would you treat this patient?