Photoplethysmography Analysis of Artery Properties in Patients with Cardiovascular Diseases
作者： Uldis Rubins , A. Grabovskis , J. Grube , I. Kukulis
DOI: 10.1007/978-3-540-69367-3_85
关键词: Internal medicine 、 Heartbeat 、 Medicine 、 In patient 、 Pulse (signal processing) 、 Artery 、 Transit time 、 Arterial stiffness 、 Photoplethysmogram 、 Blood volume 、 Cardiology
摘要: In this study arterial parameters of healthy subjects were compared to those patients with cardiovascular diseases. The photoplethysmography (PPG) measurements blood volume pulsations have been performed. Using a novel algorithm for analysis simultaneously measured ear and finger PPG signals, evaluated in representative groups Digital pulse (DVP), cycle duration (T), augmentation index (AIx), reflection (RI) transit time reflected wave (RTT) every heartbeat cycle. Correlations between the AIx RI, T RTT, standard deviation AIx, RTT showed differences patients.
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