Abstract
Biosignals facilitate an objective diagnosis of health status and provide an objective feedback for personalized therapy. A huge diversity of electric biosignals exists, including permanent and induced biosignals, which can be modelled with a simple electrical circuit. Multiple physiological parameters are usually extracted from a single electric biosignal that forms multiparametric monitoring.
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- 1.
Heinrich Müller (1820–1864) and Rudolph Albert von Kölliker (1817–1905), both German anatomists, were first in 1856 to demonstrate that each contraction of frog’s ventricle produces an electric event (Geddes 2009). Etienne-Jules Marey (1830–1904), a French physiologist and cinematographer, and Gabriel Lippman (1845–1921), a French physicist, connected the electrodes from the frog’s ventricle to the capillary electrometer and obtained an integral of the first electrocardiogram . Willem Einthoven (1860–1927), a Dutch physician, was the first to record an analog non-integrated version of the electrocardiogram , i.e., of the electrical activity of the heart by the use of string galvanometer.
- 2.
All complex quantities—except complex vectors—are underscored in following sections.
References
L.A. Geddes, R.A. Roeder, Where do ideas come from? IEEE Eng. Med. Biol. Mag. 28(5), 60–61 (2009)
E. Kaniusas, Biomedical Signals and Sensors I: Linking Physiological Phenomena and Biosignals (Springer Publisher, 2012)
J.P. Schramel, Unpublished tomographic image data, in Clinic for Anesthesiology, University of Veterinary Medicine, Vienna, 2012
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Kaniusas, E. (2019). Sensing by Electric Biosignals—An Introduction. In: Biomedical Signals and Sensors III. Biological and Medical Physics, Biomedical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-74917-4_1
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