Recurrent syncope with a short PR interval

ECG Weekly Workout with Dr. Amal Mattu


HPI

A 48-year-old man presents with an episode of palpitations and near-syncope. He has had many similar episodes in the past without previous evaluation. Currently having mild palpitations with no other symptoms. 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 rhythm?
  3. What is the most likely diagnosis?