Using the smartphone camera to monitor heart rate and rhythm in heart failure patients

IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI) Pub Date : 2014-06-01 DOI:10.1109/BHI.2014.6864425

R. Lagido, Joana Lobo, J. Cardoso, S. Leite, L. Ferreira, Carla Margarida Castanheira de Sousa Gonçalves

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引用次数: 25

Abstract

Telemonitoring is a tool with proven results demonstrating clinical benefits in reducing mortality and hospi-talizations. In this context, heart rate and rhythm are vital signs of utmost importance for monitoring a patient's condition. Recent advances in mobile technologies have allowed smartphones to be of great usage in this scenario, given its processing power, connectivity capabilities, sensor hardware and camera quality. This paper describes the usage of a smartphone camera to detect the heart rate and rhythm of a patient. A photoplethys-mogram signal is obtained with the user's fingertip placed over the smartphone camera. An evaluation has been performed on 43 subjects with heart failure. For each patient the signal obtained with the smartphone camera was compared with the ECG signal acquired in hospital environment. Results demonstrate the heart rate can be effectively estimated using that approach with an error rate of 4.75%. Atrial Fibrillation detection with our method achieved a specificity of 97% and sensitivity of 75%.

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使用智能手机摄像头监测心力衰竭患者的心率和节律

远程监测是一种已被证明在降低死亡率和住院率方面具有临床效益的工具。在这种情况下，心率和节律是监测患者病情最重要的生命体征。鉴于智能手机的处理能力、连接能力、传感器硬件和相机质量，移动技术的最新进步使得智能手机在这种情况下发挥了很大的作用。这篇论文描述了使用智能手机相机来检测病人的心率和节奏。将用户的指尖放在智能手机的摄像头上，就可以获得光电成像信号。对43例心力衰竭患者进行了评估。将每位患者的智能手机摄像头获得的信号与医院环境下获得的心电信号进行比较。结果表明，该方法可以有效地估计心率，误差率为4.75%。心房颤动检测的特异性为97%，敏感性为75%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)

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