Cardiac-related changes in lung resistivity as a function of frequency and location obtained from EITS images

1996 ◽  
Vol 17 (4A) ◽  
pp. A213-A225 ◽  
Author(s):  
P Nopp ◽  
T X Zhao ◽  
B H Brown ◽  
W Wang
Keyword(s):  
Lung Resistivity

A portable bio-impedance system for monitoring lung resistivity

2007 ◽  
Vol 29 (1) ◽  
pp. 93-100 ◽  
Author(s):  
S. Zlochiver ◽  
M. Arad ◽  
M.M. Radai ◽  
D. Barak-Shinar ◽  
H. Krief ◽  
...  
Keyword(s):  
Impedance System ◽  
Lung Resistivity

Detection of Changes in Intrathoracic Fluid in Man Using Electrical Impedance Tomography

1994 ◽  
Vol 87 (1) ◽  
pp. 97-101 ◽  
Author(s):  
J. H. Campbell ◽  
N. D. Harris ◽  
F. Zhang ◽  
A. H. Morice ◽  
B. H. Brown
Keyword(s):  
Electrical Impedance Tomography ◽  
Electrical Impedance ◽  
Fluid Challenge ◽  
Normal Subjects ◽  
Impedance Tomography ◽  
Lung Capacity ◽  
Tomography System ◽  
Normal Man ◽  
The Mean ◽  
Lung Resistivity

1. The Sheffield electrical impedance tomography system produces information on changes in the distribution of resistivity within tissue. We report on the assessment of electrical impedance tomography in monitoring changes in lung resistivity during a fluid challenge in normal man. 2. Eight normal subjects were studied. Electrical impedance tomography recordings were made at three different lung volumes before, during and after the intravenous infusion of 1 litre of 0.9% NaCl (saline). 3. The mean fall in lung resistivity during the infusion was −22% at total lung capacity (range −10% to −28%), −24% at tidal breathing (−15% to −37%) and −11% at residual volume (-5% to −19%) (P < 0.05 mean pre-infusion resistivity compared with the nadir value after infusion, Wilcoxon). 4. These changes in lung resistivity were probably due to a combination of a fall in haematocrit and an expansion of pulmonary blood volume.

Monitoring Lung Resistivity Changes in Congestive Heart Failure Patients Using the Bioimpedance Technique

2005 ◽  
Vol 11 (6) ◽  
pp. 289-293 ◽  
Author(s):  
Sharon Zlochiver ◽  
Michal M. Radai ◽  
Deganit Barak-Shinar ◽  
Tuvia Ben-Gal ◽  
Vicky Yaari ◽  
...  
Keyword(s):  
Heart Failure ◽  
Congestive Heart Failure ◽  
Heart Failure Patients ◽  
Lung Resistivity

Neonatal lungs-can absolute lung resistivity be determined non-invasively?

2002 ◽  
Vol 40 (4) ◽  
pp. 388-394 ◽  
Author(s):  
B. H. Brown ◽  
R. A. Primhak ◽  
R. H. Smallwood ◽  
P. Milnes ◽  
A. J. Narracott ◽  
...  
Keyword(s):  
Lung Resistivity ◽  
Neonatal Lungs

Study of the optimum level of electrode placement for the evaluation of absolute lung resistivity with the Mk3.5 EIT system

2006 ◽  
Vol 27 (5) ◽  
pp. S129-S137 ◽  
Author(s):  
S Nebuya ◽  
M Noshiro ◽  
A Yonemoto ◽  
S Tateno ◽  
B H Brown ◽  
...  
Keyword(s):  
Electrode Placement ◽  
Optimum Level ◽  
Lung Resistivity

Neonatal lungs: Maturational changes in lung resistivity spectra

2002 ◽  
Vol 40 (5) ◽  
pp. 506-511 ◽  
Author(s):  
B. H. Brown ◽  
R. A. Primhak ◽  
R. H. Smallwood ◽  
P. Milnes ◽  
A. J. Narracott ◽  
...  
Keyword(s):  
Lung Resistivity ◽  
Neonatal Lungs

Modelling of cardiac-related changes in lung resistivity measured with EITS

1996 ◽  
Vol 17 (4A) ◽  
pp. A227-A234 ◽  
Author(s):  
Tian-Xian Zhao ◽  
Brian H Brown ◽  
Peter Nopp ◽  
Wei Wang ◽  
Andrew D Leathard ◽  
...  
Keyword(s):  
Lung Resistivity
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