위전도 측정을 위한 전극간 부착거리에 관한 연구Influences of Inter-electrode Distance on Electrogastrography Measurements
- Other Titles
- Influences of Inter-electrode Distance on Electrogastrography Measurements
- Authors
- 한완택; 송인호; 김인영
- Issue Date
- Aug-2009
- Publisher
- 대한의용생체공학회
- Keywords
- Electrogastrography; Surface electrodes; bipolar recording; surface potential; fat thickness; Electrogastrography; Surface electrodes; bipolar recording; surface potential; fat thickness
- Citation
- 의공학회지, v.30, no.4, pp.341 - 346
- Indexed
- KCI
- Journal Title
- 의공학회지
- Volume
- 30
- Number
- 4
- Start Page
- 341
- End Page
- 346
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/176311
- ISSN
- 1229-0807
- Abstract
- Cutaneous electrogastrography is the measurement of electrical activity of the stomach on the abdominal surface. The validity of cutaneous electrogastrography is dependent upon the quality of the recording technique. The locations of electrodes are an important issue. We examined the influences of the inter-electrode distance of bipolar leads on electrogastrography measurements. The sensitivity distributions of EGG leads were calculated based on a 2D body fat model and evaluated according to the region of interest sensitivity ratio (ROISR). We simulated the ROISR of the inter-electrode distance in relation to various body fat thicknesses. The distance between the electrodes was proportional to the distance between the ROI and the surface of the abdomen. The results imply that inter-electrode distance can be applied in electrogastrography according to human body fat thickness.
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