THE CORRECTED ORTHOGONAL ELECTROCARDIOGRAM AND VECTORCARDIOGRAM IN 510 NORMAL MEN (FRANK LEAD SYSTEM)

Corrected orthogonal electrocardiographic records were taken from 510 normal male subjects. Their age ranged from 19 to 84 years. Data processing and analysis were performed by means of a digital computer. Measurements were taken from the three scalar orthogonal leads and from a variety of spatial v...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 1964-12, Vol.30 (6), p.853-864
Main Authors: DRAPER, H W, PEFFER, C J, STALLMANN, F W, LITTMANN, D, PIPBERGER, H V
Format: Article
Language:English
Subjects:
Aging
Computers
Electrocardiography
Electronic Data Processing
Geriatrics
Humans
Male
Sex
Statistics as Topic
Vectorcardiography
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Summary:Corrected orthogonal electrocardiographic records were taken from 510 normal male subjects. Their age ranged from 19 to 84 years. Data processing and analysis were performed by means of a digital computer. Measurements were taken from the three scalar orthogonal leads and from a variety of spatial vectors in a Cartesian reference frame. Main emphasis was put on series of instantaneous vectors of the QRS complex, the ST segment, and the T wave. In order to eliminate inter-individual variability in electrocardiographic wave durations, time normalization was applied by dividing QRS, ST, and T into equal parts in time. Results for instantaneous vectors were also obtained in absolute time at intervals of 0.01 second. In addition, time integrals, polar vectors, and Eigenvectors were determined for P, QRS, and T. Normal ranges were computed for both normally and abnormally distributed results.
ISSN:0009-7322
1524-4539
DOI:10.1161/01.CIR.30.6.853