基于智能手机的健康监测在印度:数据收集和评估脉冲率估计的数据收集和评估
Achal Shetty1, Sanjana S Narasimhamurthy2, K S Nataraj3
1Department of Community Medicine, Father Muller Medical College, Mangalore, Karnataka, India.
Journal of family medicine and primary care
|February 24, 2025
概括
智能手机摄像头可以准确地估计脉率,使用光电脉图 (PPG) 信号,为远程健康监测提供了可行的解决方案,特别是在多样化的印度人口中.
科学领域:
- 生物医学工程 生物医学工程
- 数字健康数字健康
- 心血管监测 心血管监测
背景情况:
- 远程生命体征监测变得越来越重要,COVID-19大流行加快了这一点.
- 智能手机和可穿戴设备提供了可访问,具有成本效益的健康监测解决方案.
- 开发精确的生命估计算法需要大量,多样化的数据集,这些数据很少,特别是在印度的环境中.
研究的目的:
- 开发一个多样化的数据集,用于印度的生命体征估计.
- 使用此数据集,评估基于智能手机的脉冲率估计的准确性.
主要方法:
- 收集了印度患者的数据,这些患者具有不同的人口统计和健康状况.
- 开发了一种算法来估计来自智能手机视频录制的光电脉冲图 (PPG) 信号.
- 从PPG数据计算脉冲率,并将其与脉冲氧计读数进行比较.
主要成果:
- 与脉冲氧计相比,基于智能手机的PPG算法实现了相当准确的脉冲率估计 (MAE <5,ICC >0.90).
- 准确性在各种主题和医疗保健环境中保持一致.
结论:
- 基于智能手机的PPG信号包含足够的信息,可用于可靠的脉冲率估计.
- 量身定制的数据集收集对于开发和验证不同人群的重要估计算法至关重要.
相关概念视频
Pulse rhythm
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Pulse Assessment Sites
Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
Assessment of radial pulse
Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
Special considerations while measuring pulse
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
Equipments Used To Measure Blood Pressure
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
Holter Monitor: 24-Hour Monitoring
Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...


