Mr. Wojciech Lejkowski Profile

Wojciech Lejkowski

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Proceedings Article | 19 April 2018 Paper

Spectral analysis of major heart tones

W. Lejkowski, A. Dobrowolski, K. Majka, R. Olszewski

Proceedings Volume 10715, 1071508 (2018) https://doi.org/10.1117/12.2316785

KEYWORDS: Heart, Electrocardiography, Diagnostics, Acoustics, Signal analyzers, Failure analysis, Data analysis

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The World Health Organization (WHO) figures clearly indicate that cardiovascular disease is the most common cause of death and disability in the world. Early detection of cardiovascular pathologies may contribute to reducing such a high mortality rate. Auscultatory examination is one of the first and most important step in cardiologic diagnostics. Unfortunately, proper diagnosis is closely related to long-term practice and medical experience. The article presents the author's system of recording phonocardiograms and the way of saving data, as well as the outline of the analysis algorithm, which will allow to assign a case to a patient with heart failure or healthy voluntaries’ with a certain high probability. The results of a pilot study of phonocardiographic signals were also presented as an introduction to further research aimed at the development of an efficient diagnostic algorithm based on spectral analysis of the heart tone.

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