Affiliation:
1. Department of Physiology and Biophysics, University of Washington School of Medicine, Seattle, Wash
Abstract
The frequency analysis of the electrocardiogram reveals that contributions by frequencies of 100 cycles, or higher, per second are less than 10 per cent of the amplitude of the fundamental of the QRS comples, and it thus appears that transistor-driven amplifier-pen recorders presently available are adequate to record all the information contained in the electrocardiogram, if the standard paper speed is doubled, or quadrupled.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Cardiology and Cardiovascular Medicine,Physiology
Reference5 articles.
1. The Value of High Fidelity Electrocardiography Using the Cathode Ray Oscillograph and an Expanded Time Scale
2. GROEDEL F. M.: Das Elektrokardiogramm. Dresden und Leipzig Theodore Steiukopff 1934.
3. RESEARCH IN ELECTROCARDIOGRAPHY
4. GILFORD S. R.: High fidelity electrocardiography. In Proceedings of Second Joint AIEE-IRE Conference on Electronics in Nucleonics and Medicine New York Oct. 31 1949.
5. Photoelectric waveform generator;SUNSTEIN D. E.;Electronics,1949
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71 articles.
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