A new method has been developed for on-line noninvasive recording of the electrical activity within the P-R segment of the electrocardiogram (KG). The electrocardiogram is obtained using a bipolar chestwall lead. After amplication the signal is processed by a minicomputer. The signal-to-noise ratio
Noninvasive recording of the His bundle electrogram in neonates
โ Scribed by Anthony W. Nathan; Rodney S. Bexton; Arthur M. Levy; Neelam Parmar; A. John Camm
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 479 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0172-0643
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The usual methods of recording the His bundle activity have been based on triggered signal averaging and commonly used analog filters. These filters are of low-frequency cutoff ranging from 10 to 80 Hz and high-frequency cutoff up to 300 Hz. The use of digital filters is studied in the external reco
Techniques for external recording of His bundle activity have been based on triggered signal averaging. We report on a new noninvasive method for recording the His potential, which employs cross-correlation function for the waveforms' alignment. This method is a frequency-domain analysis which uses