[Spectrum analysis of gastrointestinal potentials from the body surface].
Spectral analysis was employed to assess the electric activity of the stomach and intestine from the body surface. Equipment including a microcomputer and a specially designed program were used. Examinations of 134 normal subjects and patients with various gastrointestinal conditions have demonstrated a sufficient accuracy of the method in the detection of gastrointestinal dyskinesia and in assessment of gastrointestinal function, as well as in presentation of individual elements of regular gastrointestinal activity.
Action Potentials↗