Amal Mattu’s ECG Case of the Week – July 18, 2022

HPI: A 54-year-old man presents to the emergency department reporting that his heart feels like it is skipping beats. He is noted to be bradycardic on arrival. The following ECG is obtained:

 

Case ECG

 

 

Before watching the video, look closely at this ECG and ask yourself:

  1. What is the heart rate and rhythm?
  2. What is the most likely cause of the changing morphology of QRS complexes?
  3. What is the most likely diagnosis?

 

 

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