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impedance tomography

A REVIEW ON BREAST ELECTRICAL IMPEDANCE TOMOGRAPHY CLINICAL ACCURACY

A REVIEW ON BREAST ELECTRICAL IMPEDANCE TOMOGRAPHY CLINICAL ACCURACY

... Breast imaging together with other more advanced complementary methods focuses on improving early detection of the cancer cells and reduces the occurrence of missed cancers (Houssami et al. 2009). One suggested method is ...

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Modern Trends in Development of Electrical Impedance Tomography in Medicine

Modern Trends in Development of Electrical Impedance Tomography in Medicine

... With that, the main areas of research are the following: optimal placement of electrodes and lead system; effective materials for electrodes; optimal amperage; optimal frequency; defining necessary and sufficient number ...

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New Solutions for the Three-Dimensional Electrical Impedance Equation and its Application to the Electrical Impedance Tomography Theory

New Solutions for the Three-Dimensional Electrical Impedance Equation and its Application to the Electrical Impedance Tomography Theory

... Electrical Impedance Equation, and a generalization of the Bers generating sets, as well as the Beltrami equation, we introduce a new class of exact solutions for the case when the conductivity is represented by a ...

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Adaptive mesh refinement techniques for electrical impedance tomography

Adaptive mesh refinement techniques for electrical impedance tomography

... Electrical impedance tomography (EIT) can provide images with well defined characteristics only when the full nonlinear reconstruction process is constrained by a property of the image such as its local ...

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Electrical impedance tomography as a tool for phenotyping plant roots

Electrical impedance tomography as a tool for phenotyping plant roots

... Electrical impedance tomography (EIT) shares the same concepts as ERT. Although the imaged property remains the same (resistivity, or its inverse conductivity), EIT injects an alternating current rather ...

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Boundary Element formulation for Electrical Impedance Tomography

Boundary Element formulation for Electrical Impedance Tomography

... Abstract . This paper concerns the modelisation and simulation of the forward problem of Electri- cal Impedance Tomography (EIT), i.e. the computation of an electrical potential due to an applied boundary ...

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Recent progress on Frequency Difference Electrical Impedance Tomography

Recent progress on Frequency Difference Electrical Impedance Tomography

... Electrical Impedance Tomography(EIT) is a non-invasive imaging technique which aims to provide the cross- sectional distribution of electrical impedance inside the human ...

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Electrical impedance tomography in acute respiratory distress syndrome

Electrical impedance tomography in acute respiratory distress syndrome

... computed tomography (CT) is commonly used for classifying and prognosticating ...Electrical impedance tomography (EIT) is a monitoring tool that allows one to evaluate at the bedside the distribution ...

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Design and Development of a Microscopic Electrical Impedance Tomography System

Design and Development of a Microscopic Electrical Impedance Tomography System

... Electrical impedance tomography is a new technique in monitoring and imaging cross sectional images and physical state of objects by measuring the internal impedance ...electrical impedance ...

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An Influence of the Noise on the Imaging Algorithm in the Electrical Impedance Tomography

An Influence of the Noise on the Imaging Algorithm in the Electrical Impedance Tomography

... Electrical impedance tomography (EIT) reconstructs the internal impedance distribution of the body from electrical measurements on body surface. The algorithm research is one of the main problems of ...

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Optimization of the centre ground method of Electrical Impedance Tomography System

Optimization of the centre ground method of Electrical Impedance Tomography System

... :Electrical Impedance Tomography (EIT) is a non-invasive medical imaging technique where current is injected and voltages are measured through surface ...

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Electrical impedance tomography compared to positron emission tomography for the measurement of regional lung ventilation: an experimental study

Electrical impedance tomography compared to positron emission tomography for the measurement of regional lung ventilation: an experimental study

... Electrical impedance tomography (EIT) is a new lung imaging ...computed tomography (CT) in detect- ing right-to-left lung changes in gas volume ...puted tomography (SPECT) as a reference ...

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Tomographic imaging and scanning thermal microscopy: thermal impedance tomography

Tomographic imaging and scanning thermal microscopy: thermal impedance tomography

... An analogous problem has been solved for Electrical Impedance Tomography (EIT), a method of generating three dimensional images of the electrical impedance of a material. The particular case that has ...

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A Precision Transconductance for Electrical Impedance Tomography Using CMOS Technology

A Precision Transconductance for Electrical Impedance Tomography Using CMOS Technology

... ELECTRICAL IMPEDANCE TOMOGRAPHY (EIT) is a new medical imaging technique.These system offers a non-invasive,low cost medical image approach [1][16].Most bioimpedance measurement techniques are particular ...

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A fast parallel solver for the forward problem in electrical impedance tomography

A fast parallel solver for the forward problem in electrical impedance tomography

... Abstract—Electrical impedance tomography (EIT) is a noninva- sive imaging modality, where imperceptible currents are applied to the skin and the resulting surface voltages are ...

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Cardiac mapping of electrical impedance tomography by means of a wavelet model

Cardiac mapping of electrical impedance tomography by means of a wavelet model

... Electrical impedance tomography (EIT) pulmonary perfusion images, a model of wavelet transform was ...Computerized Tomography scan (CT-scan) ...

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Clinical implication of monitoring regional ventilation using electrical impedance tomography

Clinical implication of monitoring regional ventilation using electrical impedance tomography

... Electrical impedance tomography (EIT) is a technique performed at the patient ’ s bedside. It is noninvasive and radiation-free and provides dynamic tidal images of gas distribution. Studies have reported ...

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Development of an agilent voltage source for 
		electrical impedance tomography applications

Development of an agilent voltage source for electrical impedance tomography applications

... electrical impedance tomography applications are: accurate shape of the sinusoidal waveform, constant amplitude of the signal and low output impedance throughout a wide frequency ...electrical ...

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Bedside measurement of changes in lung impedance to monitor alveolar ventilation in dependent and non dependent parts by electrical impedance tomography during a positive end expiratory pressure trial in mechanically ventilated intensive care unit patient

Bedside measurement of changes in lung impedance to monitor alveolar ventilation in dependent and non dependent parts by electrical impedance tomography during a positive end expiratory pressure trial in mechanically ventilated intensive care unit patients

... of impedance with a 32 × 32 color-coded matrix relative to the lowest impedance during the PEEP trial ...tidal impedance variation (TIV). This tidal impedance variation is visualized in the ...

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Electrical Impedance Tomography using EIDORS in a Closed Phantom

Electrical Impedance Tomography using EIDORS in a Closed Phantom

... Electrical Impedance Tomography is used to tackle challenging problem of detection of abnormalities in human tissue as well as the inhomogeneities in ...

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