Abstract
Ion-seletive electrodes have been used by several investigators to characterize, individually, the changes in extracellular K+ [4,7,13] and pH [1–3,6–8] associated with acute myocardial ischemia in the intact heart of experimental animals. The size and configuration of these electrode systems (including the location of the reference electrode) has varied considerably. The purpose of this paper in to describe a new type of ion-selective electrode system, called ion-sensitive plunge wire electrodes. These electrodes are named after the well-known bipolar plunge wire electrodes routinely used by cardiac electrophysiologists to record local ventricular activation in the intact heart. This new K+/pH electrode configuration provides the on-line, continuous measurement of potassium, pH, and local electrogram at the same intramyocardial site.
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© 1985 Springer-Verlag Berlin Heidelberg
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Hill, J.L., Gettes, L.S. (1985). Ion-Sensitive Plunge Wire Electrodes for Intramyocardial pH and K+ Determinations. In: Kessler, M., et al. Ion Measurements in Physiology and Medicine. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-70518-2_13
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DOI: https://doi.org/10.1007/978-3-642-70518-2_13
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-15468-6
Online ISBN: 978-3-642-70518-2
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