### Abstract

Pathologic conditions are frequently associated with marked changes in heart rate (HR), which itself influences its variability (HRV). Accordingly, some researchers consider the HR and the HRV to be equivalent measures. Question: Does the HRV afford different information than the HR itself? Method: The HRV were investigated in ten patients during a normal autonomic tone and a pharmacological autonomic blockade, respectively. The results were analysed by calculation of the product-moment correlation coefficient and by means of linear regression of the HRV and the HR. Results: Significant correlation were found between the HR and all of the HRV bands. The regression coefficients of the HR and HRV increased markedly after a sympathetic blockade. The extent of the regression decreased to nearly zero during a total vegetative blockade. Conclusions: (1) There is a significant negative correlation between the HR and the HRV. (2) The degree of this connection is influenced markedly by the actual tone of the autonomic nervous system, which means different information contents of the HR and its variability in the autonomic regulation of the circulation.

Original language | English |
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Title of host publication | Computers in Cardiology |

Publisher | IEEE |

Pages | 189-191 |

Number of pages | 3 |

Publication status | Published - 1995 |

Event | Proceedings of the 1995 Conference on Computers in Cardiology - Vienna, Austria Duration: Sep 10 1995 → Sep 13 1995 |

### Other

Other | Proceedings of the 1995 Conference on Computers in Cardiology |
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City | Vienna, Austria |

Period | 9/10/95 → 9/13/95 |

### Fingerprint

### ASJC Scopus subject areas

- Software
- Cardiology and Cardiovascular Medicine

### Cite this

*Computers in Cardiology*(pp. 189-191). IEEE.

**Investigation of the correlation between heart rate and heart rate variability.** / Ungi, I.; Thury, A.; Csanády, M.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

*Computers in Cardiology.*IEEE, pp. 189-191, Proceedings of the 1995 Conference on Computers in Cardiology, Vienna, Austria, 9/10/95.

}

TY - GEN

T1 - Investigation of the correlation between heart rate and heart rate variability

AU - Ungi, I.

AU - Thury, A.

AU - Csanády, M.

PY - 1995

Y1 - 1995

N2 - Pathologic conditions are frequently associated with marked changes in heart rate (HR), which itself influences its variability (HRV). Accordingly, some researchers consider the HR and the HRV to be equivalent measures. Question: Does the HRV afford different information than the HR itself? Method: The HRV were investigated in ten patients during a normal autonomic tone and a pharmacological autonomic blockade, respectively. The results were analysed by calculation of the product-moment correlation coefficient and by means of linear regression of the HRV and the HR. Results: Significant correlation were found between the HR and all of the HRV bands. The regression coefficients of the HR and HRV increased markedly after a sympathetic blockade. The extent of the regression decreased to nearly zero during a total vegetative blockade. Conclusions: (1) There is a significant negative correlation between the HR and the HRV. (2) The degree of this connection is influenced markedly by the actual tone of the autonomic nervous system, which means different information contents of the HR and its variability in the autonomic regulation of the circulation.

AB - Pathologic conditions are frequently associated with marked changes in heart rate (HR), which itself influences its variability (HRV). Accordingly, some researchers consider the HR and the HRV to be equivalent measures. Question: Does the HRV afford different information than the HR itself? Method: The HRV were investigated in ten patients during a normal autonomic tone and a pharmacological autonomic blockade, respectively. The results were analysed by calculation of the product-moment correlation coefficient and by means of linear regression of the HRV and the HR. Results: Significant correlation were found between the HR and all of the HRV bands. The regression coefficients of the HR and HRV increased markedly after a sympathetic blockade. The extent of the regression decreased to nearly zero during a total vegetative blockade. Conclusions: (1) There is a significant negative correlation between the HR and the HRV. (2) The degree of this connection is influenced markedly by the actual tone of the autonomic nervous system, which means different information contents of the HR and its variability in the autonomic regulation of the circulation.

UR - http://www.scopus.com/inward/record.url?scp=0029515806&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029515806&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:0029515806

SP - 189

EP - 191

BT - Computers in Cardiology

PB - IEEE

ER -