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I am trying to find the approximate effective 3D region of the heart that is drawn from the ML II channel of the standard ECG either

  • by using many channels
  • or using one channel only (not possible probably)

The normal ECG angle is 59 angle which is within the second channel V2

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which is then again roughly orthogonal to MLII. I can recall that ML II lead is a combination of two bipolar leads. Note that this standard ECG data is in time space. What I want is to mark the effective 3D space from ML II channel with densities. I know that some parts are more affected than others. The space in the iso-electric is zero putting limits to the space.

I reviewed some publications about this topic. There seems to be only approximations where is the effective space of ML II done through many channels approximately.

Is there any source which discusses the effective 2D or 3D area of ML II channel in ECG?

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