All ETDs from UAB

Advisory Committee Chair

Andrew E Pollard

Advisory Committee Members

Vladimir G Fast

Jian Huang

Jack M Rogers

Diane C Tucker

Document Type

Thesis

Date of Award

2013

Degree Name by School

Master of Science in Biomedical Engineering (MSBME) School of Engineering

Abstract

Our research group recently developed an instrumentation and signal processing approach that overcomes many of the obstacles associated with using small sensors to complete complex composite impedance (uCI) measurements, whose amplitude and phase depend upon the tissue's resistive and capacitive properties. The goal of this study was to test the feasibility of using smaller electrodes with finer separations than sizes traditionally employed in cardiac electrophysiologic studies with whole hearts to resolve uCI spectra in terms of magnitude (|uCI|) and phase (

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