Wolff-Parkinson-White: a ventricular preexcitation syndrome

ECG Weekly Workout with Dr. Amal Mattu


A 16-year-old patient presents to the ED complaining of palpitations and lightheadedness. She reports upper body twitching associated with her palpitations and increased levels of stress and anger recently. 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 the most likely underlying rhythm?
  3. What is the most likely cause of her palpitations?