Prolonged QTC interval from severe hypokalemia

ECG Weekly Workout with Dr. Amal Mattu


A 42-year-old woman presents to the ED with a seizure. She has been noncompliant with medications. She is now awake and well, though she appears malnourished. The following ECG was obtained:

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

  1. What ECG abnormalities do you notice?
  2. What is your ECG differential for patients with syncope or new onset seizures?
  3. How would you treat this patient?