Error minimization in electric field mapping during defibrillation

A derivation is presented for the relation between errors in calculated electric fields and errors in potentials measured during defibrillation. The derived relation is experimentally verified by measurements in an electrolytic tank. The analysis shows that the electric field error is a linear funct...

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Bibliographic Details
Main Authors: Carlton Deale, O., Ng, K.T., Kim-Van Housen, E.J., Lerman, B.B.
Format: Conference Proceeding
Language:English
Subjects:
Biomedical engineering
Cardiology
Computer errors
Data acquisition
Defibrillation
Educational institutions
Electric potential
Electric variables measurement
Electrodes
Voltage
Online Access:Request full text
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Description
Summary:A derivation is presented for the relation between errors in calculated electric fields and errors in potentials measured during defibrillation. The derived relation is experimentally verified by measurements in an electrolytic tank. The analysis shows that the electric field error is a linear function of the ratio of the common mode and differential mode voltages. The results demonstrate that, for bipolar mapping of the electric field, placing the reference electrode close to the measurement electrodes can minimize the error.
ISSN:1094-687X
1558-4615
DOI:10.1109/IEMBS.2002.1106468