GREIT: a unified approach to 2D linear EIT reconstruction of lung images

A Adler, JH Arnold, R Bayford, A Borsic… - Physiological …, 2009 - iopscience.iop.org
Electrical impedance tomography (EIT) is an attractive method for clinically monitoring
patients during mechanical ventilation, because it can provide a non-invasive continuous …

Bioimpedance imaging: an overview of potential clinical applications

R Bayford, A Tizzard - Analyst, 2012 - pubs.rsc.org
Electrical Impedance Tomography (EIT) is an imaging technique based on multiple bio
impedance measurements to produce a map (image) of impedance or changes in …

3D EIT image reconstruction with GREIT

B Grychtol, B Müller, A Adler - Physiological measurement, 2016 - iopscience.iop.org
Most applications of thoracic EIT use a single plane of electrodes on the chest from which a
transverse image'slice'is calculated. However, interpretation of EIT images is made difficult …

Impact of model shape mismatch on reconstruction quality in electrical impedance tomography

B Grychtol, WRB Lionheart… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Electrical impedance tomography (EIT) is a low-cost, noninvasive and radiation free medical
imaging modality for monitoring ventilation distribution in the lung. Although such …

A CMOS magnitude/phase measurement chip for impedance spectroscopy

P Kassanos, IF Triantis… - IEEE Sensors Journal, 2013 - ieeexplore.ieee.org
The measurement of electrical impedance is used in a plethora of biomedical applications.
The most common technique used is synchronous demodulation, which provides the real …

Experimental evaluation of 3D electrical impedance tomography with total variation prior

G González, JMJ Huttunen… - Inverse Problems in …, 2016 - Taylor & Francis
In electrical impedance tomography (EIT), two-or three-dimensional (2D or 3D) distribution
of the electrical conductivity is reconstructed based on potential measurements from the …

Comparison of a new integrated current source with the modified Howland circuit for EIT applications

H Hong, M Rahal, A Demosthenous… - Physiological …, 2009 - iopscience.iop.org
Multi-frequency electrical impedance tomography (MF-EIT) systems require current sources
that are accurate over a wide frequency range (1 MHz) and with large load impedance …

High-power CMOS current driver with accurate transconductance for electrical impedance tomography

L Constantinou, IF Triantis, R Bayford… - … Circuits and Systems, 2014 - ieeexplore.ieee.org
Current drivers are fundamental circuits in bioimpedance measurements including electrical
impedance tomography (EIT). In the case of EIT, the current driver is required to have a large …

Torso shape detection to improve lung monitoring

S de Gelidi, N Seifnaraghi, A Bardill… - Physiological …, 2018 - iopscience.iop.org
Objective: Newborns with lung immaturity often require continuous monitoring and treatment
of their lung ventilation in intensive care units, especially if born preterm. Recent studies …

Correlation between alveolar ventilation and electrical properties of lung parenchyma

CJ Roth, A Ehrl, T Becher, I Frerichs… - Physiological …, 2015 - iopscience.iop.org
One key problem in modern medical imaging is linking measured data and actual
physiological quantities. In this article we derive such a link between the electrical …