Jan 19, 2012

Effect of atrioventricular conduction on heart rate variability

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Talha J AhmadShoab A Khan


This paper discusses the effect of atrioventricular conduction time (AVCT) on the short-term Heart Rate Variability (HRV) by computing HRV parameters using intervals between the onsets of successive P waves (PP time series) for three groups: normal, arrhythmia and sudden cardiac death (SCD) patients. A very precise wavelet transform based ECG delineator was developed to detect PP, PR and RR time series. Mean PR variation in arrhythmia and SCD group was found to be significantly high as compared to the normal group. It was observed that when PR variations in arrhythmia and SCD cases crossed a certain threshold, RR variability no longer provided a very accurate estimate of HRV. In such cases, PP variability was able to provide a better assessment of HRV.

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Mentioned in this Paper

In Silico
Structure of Atrioventricular Node
Cardiac Conduction
Nerve Impulses
Sudden Cardiac Death
Electrocardiographic Recorders
Cardiac Arrhythmia
Pulse Rate

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