Palpitations: a cardiac cause with increased risk of arrhythmia and sudden cardiac death

ECG Weekly Workout with Dr. Amal Mattu


A 50-year-old woman presents to the emergency department with palpitations. She has had signs and symptoms of an upper respiratory tract infection with low grade fevers. She is tachycardic but non-toxic in appearance. The following ECG was obtained on arrival:

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

  1. What ECG abnormalities do you notice?
  2. What is the underlying rhythm?
  3. What is your differential diagnosis?
  4. What is the treatment?