In this study the authors would like to introduce a novel diagnostic method of a sleep disorder, sleep apnea syndrome (SAS), which may cause numerous irreversible complications with severe consequences without treatment. The sleep laboratory test called polysomnography is the main aid to the experts to recognize and obtain the grade of SAS. A polysomnographic record consists of several channels such as nasal airflow, blood pressure, abdominal and thoracic excursion, blood oxygen saturation etc. Several wellknown methods exist to analyze one or more of these signals. In this paper we present a method, which uses the phase relation information between the abdominal and thoracic respiration movements in order to detect the grade and type of SAS.
Biomedical Engineering is a relatively new interdisciplinary science. This paper presents the biomedical engineering activity, which is carried out at Budapest University of Technology and Economics and its partner institutes. In the first part the main goals and the curriculum of the Biomedical Engineering Education Program (BMEEP) is presented. The second part of the paper summarizes the most important biomedical engineering researches carried out mostly in the Biomedical Engineering Laboratory of our university.
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