相关概念视频
01:30Equipments Used To Measure Blood Pressure
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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...
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01:21Sites for measruring blood pressure
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Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
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01:15Assessment of blood pressure in brachial artery(one-step method)
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This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
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01:10Pre-Procedural Guidelines for Assessing Blood Pressure
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Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
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01:23Assessment of blood pressure in brachial artery(two-step method)
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Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
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01:28Special considerations while measuring blood pressure
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When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
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使用身体体重-脂肪量表来测量基于边缘计算系统的无袖血压.
Shing-Hong Liu1, Bo-Yan Wu1, Xin Zhu2
1Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung 41349, Taiwan.
Sensors (Basel, Switzerland)
|December 17, 2024
概括
这项研究开发了一个边缘计算系统,用于无袖式血压测量,使用弹性心电图和阻抗复合图信号. 该系统在开发板上实现准确的实时血压估计,增强移动健康应用程序.
科学领域:
- 生物医学工程 生物医学工程
- 医疗信息学 医疗信息学
- 机器学习 机器学习
背景情况:
- 精确的血压 (BP) 监测对于管理心血管疾病,糖尿病和脏疾病至关重要,特别是在老年人中.
- 无袖式BP测量技术提供了增强的用户舒适性和便利性.
- 弹性心电图 (BCG) 和阻抗整体图 (IPG) 是用于无袖血压估计的新兴生理信号.
研究的目的:
- 开发和验证一个边缘计算系统,用于实时无袖血压测量.
- 整合BCG和IPG信号采集,处理,特征提取和基于机器学习的BP估计.
- 在一个嵌入式平台 (STM32F756ZG NUCLEO) 上实现系统,用于移动健康应用.
主要方法:
- 采用定制的体重-脂肪尺度获得BCG和IPG信号.
- 信号处理包括过,细分和脉冲传输时间 (PTT) 的提取.
- 一个XGBoost机器学习模型,为边缘部署优化了超参数,使用基于校准和无校准的功能估计了BP.
主要成果:
- 边缘计算系统显示了缩血压 (SBP) 和腹缩血压 (DBP) 估计的低误差率:分别为2.2 ± 10.9 mmHg和1.87 ± 6.79 mmHg.
- 这些结果与基于服务器的计算可比,表明在设备上测量BP的可行性.
- 该系统的性能验证了其在移动医疗设备中集成的潜力.
结论:
- 边缘计算能够实时使用嵌入式系统上的BCG和IPG信号进行无袖血压测量.
- 拟议的方法增强了用于连续血压监测的体重-脂肪量表的实用性.
- 这项技术对推进移动健康和远程患者护理具有重大前景.