DEVELOPMENT AND APPLICATION OF THE WIDE-RANGE ELECTROCARDIOGRAPH SYSTEM I (WREC I).
Abstract
Early detection of latent and progressive coronary artery disease in the aviator is patently essential. Presently accepted methods of coronary evaluation appear, however, less than adequate when correlation of arteriosclerotic occlusive episodes and current individual myocardial evaluation is attempted. The presence of ischemic pathology alters the bioelectric signature of the heart in several ways. One variation results from the apparent generation of energies which are lower in amplitude and significantly higher in frequency than the basic clinically accepted electrical waveform. Standard clinical electrocardiograms fail to portray these aberrations. This study describes the development of a precursor electrocardiograph with extended frequency range capability known as WREC I. With this system, data from both normal and pathologic subjects were acquired. Presence of energies higher in frequency than the clinically accepted band were disclosed. The pilot nature of this study exposed several technical specifications or inadequacies of the system including apparent inadequate signal-to-noise ratio, cumbersome nature of contiguous energy spectrums for routine readout, need for environmental noise control, and time consuming characteristics of nonstandard data formats for routine data readout. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 03, 1968
- Accession Number
- AD0695785
Entities
People
- C. G. Phipps
- G. F. Humbert