Rhythm Interpretation: Ashman phenomenon vs. nonsustained ventricular tachycardia

ECG Weekly Workout with Dr. Amal Mattu


A 49-year-old woman presents to the ED with palpitations. She is found to be tachycardic on arrival. The following ECG is obtained:

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

    1. What is the heart rate and rhythm?
    2. Would you be concerned about nonsustained ventricular tachycardia?
    3. How would you treat this patient?