The Resource Serial electrocardiograms : their reliability and prognostic validity over a 24-year period, William R. Harlan, Jr. [and four others], (electronic resource)

Serial electrocardiograms : their reliability and prognostic validity over a 24-year period, William R. Harlan, Jr. [and four others], (electronic resource)

Label
Serial electrocardiograms : their reliability and prognostic validity over a 24-year period
Title
Serial electrocardiograms
Title remainder
their reliability and prognostic validity over a 24-year period
Statement of responsibility
William R. Harlan, Jr. [and four others]
Creator
Contributor
Author
Subject
Genre
Language
eng
Summary
The reliability and prognostic validity of serial electrocardiograms were determined in a group of young men who were followed from 24 to 49 years of age. Electrocardiographic durations, amplitudes, and vectoral orientations at each of the four evaluations were similar to values from cross-sectional surveys of men at the same ages. The pattern of QRS deflections did not change although there were changes in the amplitude of these deflections. A significant decrease in QRS and T amplitude (Sigma QRS and Sigma T) was found with increasing aging and did not correlate significantly with weight and blood pressure. The QRS axis moved leftward as the group became older and the change in QRS axis was related to interval weight changes and to blood pressure. The T axis and the QRS-T angle did not change during the 24 years of study. The group in whom coronary heart disease subsequently developed had a greater decrease in QRS amplitude and tended to have a greater leftward movement of the QRS vector. The resting electrocardiogram is a reliable measurement despite minor serial changes in amplitude and vectoral orientation, but has limited predictive value in men below the age of 50 years. (Author)
Member of
Cataloging source
OCLCE
http://bibfra.me/vocab/lite/collectionName
Technical Report Archive & Image Library (TRAIL)
http://library.link/vocab/creatorDate
1930-
http://library.link/vocab/creatorName
Harlan, William R.
Government publication
federal national government publication
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
http://library.link/vocab/relatedWorkOrContributorDate
1902-
http://library.link/vocab/relatedWorkOrContributorName
  • Oberman, Albert
  • Graybiel, Ashton
  • Osborne, Robert K
  • Mitchell, Robert E
  • Naval Aerospace Medical Institute (U.S.)
  • United States
  • United States
  • United States
Series statement
NAMI
Series volume
999
http://library.link/vocab/subjectName
Electrocardiography
Label
Serial electrocardiograms : their reliability and prognostic validity over a 24-year period, William R. Harlan, Jr. [and four others], (electronic resource)
Link
Instantiates
Publication
Note
  • "3 March 1967."
  • Joint report of the Naval Aerospace Medical Institute, United States Public Health Service, and the National Aeronautics and Space Administration.--cover
  • "Bureau of Medicine and Surgery, MF022.03.02-5007.13, NASA Order R-136."
  • "This research was conducted under the sponsorship of the United States Public Health Service, and National Aeronautics and Space Administration."
Antecedent source
file reproduced from original
Bibliography note
Includes bibliographical references (pages 20-21)
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
28 cm.
Dimensions
unknown
Extent
21 pages
File format
one file format
Form of item
online
Media category
unmediated
Media MARC source
rdamedia
Media type code
  • n
Other physical details
illustrations
Specific material designation
remote
System control number
  • (OCoLC)1083785502
  • (OCoLC)on1083785502
Label
Serial electrocardiograms : their reliability and prognostic validity over a 24-year period, William R. Harlan, Jr. [and four others], (electronic resource)
Link
Publication
Note
  • "3 March 1967."
  • Joint report of the Naval Aerospace Medical Institute, United States Public Health Service, and the National Aeronautics and Space Administration.--cover
  • "Bureau of Medicine and Surgery, MF022.03.02-5007.13, NASA Order R-136."
  • "This research was conducted under the sponsorship of the United States Public Health Service, and National Aeronautics and Space Administration."
Antecedent source
file reproduced from original
Bibliography note
Includes bibliographical references (pages 20-21)
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Dimensions
28 cm.
Dimensions
unknown
Extent
21 pages
File format
one file format
Form of item
online
Media category
unmediated
Media MARC source
rdamedia
Media type code
  • n
Other physical details
illustrations
Specific material designation
remote
System control number
  • (OCoLC)1083785502
  • (OCoLC)on1083785502

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