Displaying items by tag: Phonocardiogram

Arrhythmogenic right ventricular dysplasia is a rare entity and a significant cause of sudden death especially in the Italian population…

The results of study of an artificial aortic valve by the heart cycle phase analysis are given in the paper.…

Conventional methods for arterial pressure (AP) measurement are not capable of identifying it in each cardiac cycle. Besides, they ignore…

The paper describes some concepts on processes occurring in the neuroendocrine and immune systems during development of general unspecific adaptational…

Some results obtained in recording and processing of phonocardiograms are presented herein. To process phonocardiographic signals, a cascade filtration method has been used that allows detecting tones of the cardiovascular system in the background noise. The effectiveness of the proposed processing method is demonstrated by the results of visualization.

This article presents some results of processing of phonocardiography signals (PCG signals) for cardiac cycle tone identification under ambient noise of varying intensity. For PCG signal processing, proposed is a refined approach based on active band pass filter bank, which allows improving an accuracy of cardiac cycle tone identification under ambient noise.

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