Research output: Contribution to journalConference articlepeer-review


An electrical model was developed to determine the source of the cardiac induced impedance change ( DELTA Z) seen from band electrodes placed around the ends of the thorax. The resistivities of various regions of the thorax were changed to simulate volume changes. The results showed that the lungs contribute the most to DELTA Z with the large arteries, and skeletal muscle next in significance. An electrical model that consisted of a three-dimensional resistive grid was developed to help understand the source of the cardiogenic impedance signal seen when using the popular four band electrode arrangement for cardiac function measurements.

Original languageEnglish (US)
Pages (from-to)14
Number of pages1
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
StatePublished - 1984


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