Device for Controlling Stimulus Self-Application During Autonomic Nervous System Tests
Marek Żyliński,1 Wiktor Niewiadomski,2 Gerard Cybulski,1 Anna Gąsiorowska2 1Institute of Metrology and Biomedical Engineering, Faculty of Mechatronics, Warsaw University of Technology, Warsaw, Poland; 2Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, PolandCorrespondence:...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2021
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| Acceso en línea: | https://doaj.org/article/595dd423c08d4c86bb5cfbab9c38b20b |
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| Sumario: | Marek Żyliński,1 Wiktor Niewiadomski,2 Gerard Cybulski,1 Anna Gąsiorowska2 1Institute of Metrology and Biomedical Engineering, Faculty of Mechatronics, Warsaw University of Technology, Warsaw, Poland; 2Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, PolandCorrespondence: Marek ŻylińskiInstitute of Metrology and Biomedical Engineering, Faculty of Mechatronics, Warsaw University of Technology, ul. św. Andrzeja Boboli 8, Warszawa, 02-525, PolandTel +48 22 2348387Email zylinski@mchtr.pw.edu.plAbstract: Assessment of autonomic nervous system (ANS) functioning may be performed non-invasively using autonomic tests which are based on evaluation of response of cardiovascular system to the applied stimuli, such as increased air pressure during Valsalva maneuver, skeletal muscle contraction during static handgrip or deep slow breathing. The cardiovascular response depends, besides ANS reaction and test protocol, also on the way stimulus is self-applied by the test subject. We present a versatile device for controlling stimulus self-application during three ANS tests: Valsalva maneuver, static handgrip, and deep breathing. It integrates two different gauges and a pace setter for breathing into one device. The core of the device is a linear LED display which, using green, yellow, and red diodes, informs the subject about the correctness of self-application of respective stimulus. The settings of the device can be adjusted to the needs of the protocol chosen. The device can record the duration of mouth air pressure or the force produced by the subject during ANS tests, which assures correctness of the tests, thus allowing to track individual variability changes in the response to the test. The device was verified during ANS tests and its use was intuitive for patients, reducing the time needed for training before tests and decreasing the effort of the physician.Keywords: biomedical equipment, Ewing’s battery, autonomic nervous system tests |
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