Dynamic Decomposition of Poincaré Plots for Multivariate Analysis and Visualization of Simultaneously Recorded Physiological Time Series

• Autorzy: Piskorski J. , Guzik P.
• Konferencja: The Workshop on Current Problems in Physics: Zielona Góra – Lviv, Zielona Góra,19-21 October 2009
• Języki publikacji: EN

Abstrakty

EN

We apply the dynamic decomposition of Poincaré plots, which is a computationally intensive, visual method of analysing physiological time series, to the analysis of the interbeat interval variability, systolic blood pressure, stroke volume and total peripheral resistance which were simultaneously recorded from a patient with pheochromocytoma and rapid, repetitive haemodynamic changes over 6 hours. The resulting animation is analysed and interpreted. It is found that changes in total peripheral resistance usually precede those of other variables, and the magnitude of changes is greatest for this variable. It is demonstrated that the decomposition of Poincaré plots of multivariate signals can visualise both the order and the extent of ongoing instant changes.

Słowa kluczowe

EN

heart rate variability; Poincaré plot; haemodynamics; pheochromocytoma; medical visualisation

• Wydawca: Institute of Bioorganic Chemistry Scientific Publishers OWN, Polish Academy of Sciences
• Czasopismo: Computational Methods in Science and Technology
• Rocznik: 2010
• Tom: Vol. 16, No. 2
• Strony: 181--186
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Piskorski J.

autor

Guzik P.

• Institute of Physics, University of Zielona Góra, ul. Szafrana 4a, Zielona Góra, Poland,

Bibliografia

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