Title :
In-vivo measurement of brain edema with the magnetic bio-impedance method
Author :
Ko, Harvey W. ; Smith, Dexter G. ; Skura, Joseph P.
Author_Institution :
Appl. Phys. Lab., Johns Hopkins Univ., Laurel, MD, USA
fDate :
31 Oct-3 Nov 1996
Abstract :
A noninvasive electromagnetic method has been examined that can effectively measure the rapid onset of vasogenic brain edema. Electrical conductivity of normal and edematous brain tissue obtained by this method at frequencies between 1 and 10 MHz is consistent with values obtained with invasive conductivity probes
Keywords :
bioelectric phenomena; biomagnetism; biomedical measurement; brain; electric impedance measurement; electrical conductivity measurement; 1 to 10 MHz; brain edema; in vivo measurement; invasive conductivity probes; life threatening brain volume increase; magnetic bioimpedance method; normal brain tissue; Brain; Coils; Conductivity; Eddy currents; Electromagnetic measurements; Frequency; Humans; Impedance measurement; Probes; Rabbits;
Conference_Titel :
Engineering in Medicine and Biology Society, 1996. Bridging Disciplines for Biomedicine. Proceedings of the 18th Annual International Conference of the IEEE
Conference_Location :
Amsterdam
Print_ISBN :
0-7803-3811-1
DOI :
10.1109/IEMBS.1996.646329
