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	Hemodynamika CFD	Zmienność rytmu zatokowego serca	Fotopletyzmografia
Dziedzina	Biomechanika	Biomechanika	Biomechanika
Rodzina	Process / pipeline	Process / pipeline	Process / pipeline
Rok powstania	2002	1996	1937
Twórca	David Steinman	Task Force of European Society of Cardiology	Hertzman
Typ	Multi-physics finite element simulation	Time-series and frequency-domain analysis pipeline	Optical signal acquisition and analysis pipeline
Źródło pierwotne	Steinman, D. A., Vinh, B., Ethier, C. R., Ojha, M., Cobbold, R. S., & Johnston, K. W. (2002). A numerical simulation of flow in a two-dimensional end-to-side anastomosis model. Journal of Biomechanical Engineering, 115(1), 112-118.	Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. (1996). Heart rate variability: standards of measurement, physiological interpretation, and clinical use. Circulation, 93(5), 1043-1065.	Allen, J. (2007). Photoplethysmography and its application in clinical physiology. Physiology & Behavior, 107(4), 540-548.
Inne nazwy	Cardiovascular CFD, Blood flow simulation, Hemodynamic simulation	HRV, RR interval analysis, Cardiac variability	PPG, Pulse oximetry, Reflectance photometry
Pokrewne	3	3	3
Podsumowanie	Computational fluid dynamics (CFD) for hemodynamics solves the Navier-Stokes equations to simulate blood flow in realistic vascular geometries. Pioneered by researchers such as David Steinman, CFD hemodynamics reveals complex flow patterns, wall shear stress distributions, and hemodynamic factors implicated in atherosclerosis, aneurysm rupture, and device-induced thrombosis.	Heart rate variability (HRV) analysis quantifies the variation in time intervals between consecutive heartbeats as a window into autonomic nervous system function and cardiovascular health. Formalized by the European Society of Cardiology Task Force in 1996, HRV metrics are now standard in cardiology, physiology, and sports science for assessing stress, recovery, and disease risk.	Photoplethysmography (PPG) measures blood volume changes in tissue using light absorption, providing a non-invasive optical window into cardiovascular dynamics. Originally developed by Hertzman in 1937, PPG is now ubiquitous in pulse oximetry, smartwatches, and research applications for monitoring heart rate, blood oxygenation, and vascular function.