76 85

Cited 3 times in

Usefulness of a developed four-channel EGG system with running spectrum analysis

 Deok Won Kim  ;  Chang Yong Ryu  ;  Sang In Lee 
 Yonsei Medical Journal, Vol.41(2) : 230-236, 2000 
Journal Title
 Yonsei Medical Journal 
Issue Date
Action Potentials* ; Adult ; Humans ; Stomach/physiology*
Electrogastrography ; four-channel EGG ; pre- and postprandial ; electrode placement ; running spectrum
Electrogastrography (EGG) is a method of measuring action potentials on the abdomen. It is noninvasive, inexpensive and easy to measure. However, the EGG signal has a very low frequency (0.05 Hz) and an extremely low amplitude (10-100 microV). Consequently, its measured waveform is difficult to analyze and it is not yet completely understood. In this study, a four-channel EGG measurement system was built to measure the action potential of the stomach. This system was compared with the commercially available one-channel Digitrapper EGG. The 3 cpm percentages were compared between the best channel of the four-channel system and channel 1, whose electrode position was similar to the commercially available one-channel system for normal subjects. The average 3 cpm percentage of the best channel and channel 1 for preprandial measurement was 89.5% and 83.2%, respectively, and this was statistically significant (p < 0.001). Also the average 3 cpm percentage of the best channel and channel 1 for postprandial measurement was 90.4% and 76.5%, respectively, and this was statistically significant (p = 0.003). From these results, it can be concluded that a multi-channel EGG system is required for better EGG measurement.
Files in This Item:
T200003618.pdf Download
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Deok Won(김덕원)
Lee, Sang In(이상인)
사서에게 알리기


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.