Wide Complex Tachycardias: What is the Lewis lead and how you can use modified ECG leads to help make the diagnosis
ECG Weekly Workout with Dr. Amal Mattu
A 60-year-old male presents to the ED with acute chest pain and lower extremity edema. He is noted to be tachycardic on arrival. The following ECG is obtained:
Before watching the video, look closely at this ECG and ask yourself these questions:
- What ECG abnormalities do you see?
- Is the rhythm most likely ventricular or atrial in origin?
- Are there any supplemental ECG leads that can help further distinguish the rhythm?