METHOD FOR DIAGNOSING CARDIAC ACTIVITY FROM PULSE DATA Russian patent published in 2007 - IPC A61B5/02 

FIELD: medical engineering.

SUBSTANCE: method involves carrying out the following operations: 1. applying pulse transformation gauge to a radial artery; 2. transforming pulse to electric impulse; 3. sending the impulse to autocorrelator with impulse autocorrelation time being estimated; 4. determining pulse waves amplitude-time characteristics; 5. decomposing impulse into harmonic components with each harmonic component amplitude magnitude being determined; 6. decomposing impulse into harmonic components with each harmonic component phase magnitude being determined; 7. calculating ratios between the first harmonic component amplitude of impulse and separate harmonic components amplitudes; 8. determining ratio between the number of positive phases of harmonic components to the number of negative phases of harmonic components; 9. determining cardiac activity condition relationship from measured delay line value in the autocorrelator; 10. determining cardiac activity condition relationship from pulse waves amplitude-time characteristic parameters; 11. determining cardiac activity condition relationship as a result of calculating ratios between the first harmonic component amplitude of impulse and separate harmonic components amplitudes; 12. determining cardiac activity condition relationship as a result of calculating ratio between the number of positive phases of harmonic components to the number of negative phases of harmonic components; 13. determining cardiac activity condition relationship based on consistent combinations of impulse autocorrelation time data, the ratios between the first harmonic component amplitude of impulse and separate harmonic components amplitudes and the ratio between the number of positive phases of harmonic components to the number of negative phases of harmonic components.

EFFECT: wide range of functional applications.

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