Title :
Noninvasive measurement of gastric propagation using a SQUID magnetometer
Author :
Bradshaw, L.A. ; Wells, R. ; Paul, S. ; Richards, W.O. ; Wikswo, J.P., Jr.
Author_Institution :
Dept. of Phys. & Astron., Vanderbilt Univ., Nashville, TN, USA
fDate :
30 Oct-2 Nov 1997
Abstract :
A vector Superconducting QUantum interference Device (SQUID) magnetometer was used to measure the magnetic fields associated with propagation of gastric electrical activity. Measurements of the magnetic field vector were consistent with the presumed pattern of current propagation in the gastric musculature. Further studies using two SQUID systems allowed the first noninvasive determination of the gastric propagation velocity
Keywords :
SQUID magnetometers; bioelectric phenomena; biological organs; biomagnetism; biomedical measurement; vectors; current propagation pattern; gastric electrical activity; gastric musculature; gastric propagation; magnetic field vector; noninvasive measurement; Bit error rate; Electrodes; Extraterrestrial measurements; Frequency; Gastrointestinal tract; Intestines; Magnetic field measurement; Magnetic recording; Noninvasive treatment; SQUID magnetometers;
Conference_Titel :
Engineering in Medicine and Biology Society, 1997. Proceedings of the 19th Annual International Conference of the IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-4262-3
DOI :
10.1109/IEMBS.1997.756801
