Differential Diagnoses: QT interval considerations in patients with palpitations

ECG Weekly Workout with Dr. Amal Mattu


A 54-year-old woman presents to the ED with lightheadedness, palpitations, muscle cramps, and upper extremity paresthesias. The following ECG is obtained:

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

  1. What ECG abnormalities do you notice?
  2. What are your differentials?
  3. How would you treat this patient?