Accession Number : AD0477269

Title :   TIME-BASE EXPANSION AS APPLIED TO VECTORCARDIOGRAPHY,

Corporate Author : SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TEX

Personal Author(s) : Peters ,Wendell R. ; Cole,Robert E.

Report Date : DEC 1965

Pagination or Media Count : 7

Abstract : A technic is described for displaying vectorcardiograms with greater precision and clarity than is possible with most methods in use. This is accomplished by using a magnetic recorder-reproducer for time-base expansion of recorded VCG data. With time expansion, recorded data appear to be lower in frequency and can be graphically displayed on an X-Y recorder. Illustrations showing the vectorcardiographic loops obtained are contrasted to a conventional recording technic. (Author)

Descriptors :   (*ELECTROCARDIOGRAPHY, *DISPLAY SYSTEMS), RECORDING SYSTEMS, MEDICAL EQUIPMENT, OSCILLOSCOPES, CIRCUITS, MAGNETIC TAPE, CARDIOGRAPHY, HEART, TIME, REPRODUCTION, ERRORS

Subject Categories : Recording and Playback Devices
      Biomedical Instrumentation and Bioengineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE