Non-invasive Electro-gastro-intestinogram (EGIG) Recording under Physiological Conditions
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Abstract
Electro-intestinogram (EIG), together with electro-gastrogram (EGG), are non-invasive methods by which gastro-intestinal (GI) activity can be monitored continuously and without disturbing the patient. They also make it possible to determine whether disturbed functioning require any acute or planned intervention, and also to assess results of earlier (pharmacological or surgical) treatments.
Based on scarce literary sources and on our own experimental experiences, a new device has been developed for non-invasive recording of the electrical activity of the whole gastro-intestinal system in a continuous way. Results of our preliminary testing revealed that the dominant frequency of the stomach is 1–5 cpm, of the small intestine 10–14 cpm, and of the large intestine 1–7 cpm, respectively. It has also been shown that changes of GI activity could be monitored by the device.