ResusX:ReWired The Magical Lewis Lead

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Jessica Andrusaitis
Jessica Andrusaitis

ResusX:ReWired Volunteer

What is the Magical Lewis Lead? Dr. Amal Mattu gave a phenomenal lecture last year during ResusX:ReWired. The pearls from the lecture are found below.

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Check out the video, read the notes below, and then register here for ResusX:ReLoaded. The conference will be even bigger and better than ever before!

  • Lewis lead is a modified ECG lead that augments the analysis of atrial activity
  • Useful when trying to determine VT vs atrial tachycardias
  • Here’s how to do it:
    • Move RA to the manubrium
    • Move LA to right 5th intercostal space next to sternum
    • Move LL to right lower costal margin
    • Lewis lead is read on lead I (but look everywhere for atrial activity)


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