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| Mô hình Windkessel× | Photoplethysmography× | |
|---|---|---|
| Lĩnh vực | Cơ sinh học | Cơ sinh học |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1969 | 1937 |
| Người khởi xướng≠ | Nikolaos Westerhof | Hertzman |
| Loại≠ | Physiological lumped-parameter modeling | Optical signal acquisition and analysis pipeline |
| Công trình gốc≠ | Westerhof, N., Bosman, F., De Vries, N. C., & Noordergraaf, A. (1969). Analog studies of the human systemic arterial tree. Journal of Biomechanics, 2(2), 121-143. DOI ↗ | Allen, J. (2007). Photoplethysmography and its application in clinical physiology. Physiology & Behavior, 107(4), 540-548. link ↗ |
| Tên gọi khác | Elastic chamber model, Arterial compliance model, Lumped parameter model | PPG, Pulse oximetry, Reflectance photometry |
| Liên quan | 3 | 3 |
| Tóm tắt≠ | The Windkessel model is a lumped-parameter representation of the arterial system that captures the pulsatile dynamics of blood flow and pressure using simple mechanical analogs (resistors and capacitors). Named after the German word for air chamber, it was formalized by Westerhof and colleagues in the late 1960s and remains fundamental to understanding arterial hemodynamics and blood pressure regulation. | 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. |
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