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Orthogonal electrocardiogram derived from the limb and chest electrodes of the conventional 12-lead system

  • Physiological Measurement
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Abstract

Methods of computing orthogonal X, Y and Z voltages representing the equivalent heart dipole activity are described. These components were obtained as linear functions of voltages from the limb and chest electrodes of the conventional 12-lead system. The coefficients of these linear functions are given and a close relationship with the Frank lead system is demonstrated. Two methods were used to obtain transformation coefficients—lead vector approach and statistical least-squares fit. ECG data from 92 individuals (healthy and with cardiac disorders) were used to obtain adequate coefficient values.

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  1. Institute of Medical Engineering, Medical Academy, 1 G. Sofiyski, 1431, Sofia, Bulgaria

    Ch. L. Levkov

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  1. Ch. L. Levkov
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Levkov, C.L. Orthogonal electrocardiogram derived from the limb and chest electrodes of the conventional 12-lead system. Med. Biol. Eng. Comput. 25, 155–164 (1987). https://doi.org/10.1007/BF02442844

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  • DOI: https://doi.org/10.1007/BF02442844

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