Noninvasive external recording of cardiac conduction system (His bundle) activity.

  title={Noninvasive external recording of cardiac conduction system (His bundle) activity.},
  author={Waldemar J. Wajszczuk and Martin Moskowitz and Thomas J. Bauld and P L Dabos and Raul Weiss and Melvyn Rubenfire},
  journal={Medical instrumentation},
  volume={12 5},
Successful and adequate external recording of the cardiac conduction system from the body's surface can be accomplished in 80 to 90 percent of subjects studied. High-gain amplification, signal averaging, and triggering with a conditioned QRS signal results in good recording reproducibility. Averaging of 128 consecutive cycles is adequate, but on occasion averaging of 256 cycles may yield better results. The patients's QRS signal triggers the transfer of signals, which are digitized and stored… CONTINUE READING

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