Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Automatic Determination of Pacing Threshold by Surface ECG Morphology

ECG 형태에 의한 자동화된 pacing 문턱 전압 결정에 관한 연구

  • Kim, J. (School of Electronics, Information and Communication Engineering, Myongji University) ;
  • Huh, W. (School of Electronics, Information and Communication Engineering, Myongji University)
  • 김정국 (명지대학교 전자정보통신공학부) ;
  • 허웅 (명지대학교 전자정보통신공학부)
  • Published : 2001.06.01
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Abstract

Proper determination of pacing threshold is important for patient safety and pacemaker longevity. In general, cardiac muscle contractions caused by pacing pulses are verified by observing the morphology of surface ECG displayed on a monitor. In this study, a method of automatic pacing threshold determination based on morphological difference between intrinsic and paced ECGs was developed. First, characteristics of intrinsic ECG and paced ECG were analyzed in time and frequency domain and a proper discrimination parameter was extracted. Then, the automatic capture verification method based on the parameter was developed and applied to 23 pacemaker patients. The selected parameter was the area of ventricular depolarization wave during 80ms after pacing stimulus. It was found that the method was reliable and effective in identifying paced ECG and, thereby, determing a proper pacing threshold.

Keywords

References

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