Narrow Complex Tachycardia: inappropriate anticoagulation because of misdiagnosis

ECG Weekly Workout with Dr. Amal Mattu


A 96-year-old man presents to the ED with a dry skin rash. On review of symptoms the patient reports 1-2 episodes of fleeting chest pain that is sharp. 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 underlying rhythm?
  3. What differential diagnoses are you considering and how would you treat this patient?