High frequency impedance measurements from implanted unipolar pacing leads

High frequency impedance measurements from implanted unipolar pacing leads

Impedance measurements using frequencies up to 500 MHz were used along with time domain reflectometry techniques to investigate respiration sensing using standard unipolar pacemaker leads. The results have demonstrated the unique nature of these impedance sensing methods versus traditional lower fre...

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Bibliographic Details
Published in:Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society Vol. 1; pp. 333 - 334 vol.1
Main Authors: Steinhaus, B.M., Molan, J.A., Samuelson, K.E., Morris, R.A., Dawson, A.K.
Format: Conference Proceeding
Language:English
Published: IEEE 1995
Subjects:
Coaxial cables
Fixtures
Frequency measurement
Impedance measurement
Instruments
Measurement standards
Pacemakers
Pulse measurements
Reflectometry
Testing
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Summary:Impedance measurements using frequencies up to 500 MHz were used along with time domain reflectometry techniques to investigate respiration sensing using standard unipolar pacemaker leads. The results have demonstrated the unique nature of these impedance sensing methods versus traditional lower frequency impedance methods. Experimental evidence includes: separation in frequency (or time and thus distance along the lead) of the cardiac stroke volume signal from the respiration signal and respiration sensing using a fully insulated tip unipolar pacing lead.
ISBN:0780324757
9780780324756
DOI:10.1109/IEMBS.1995.575136