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相关概念视频

Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

821
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...
821
Sites for measruring blood pressure01:21

Sites for measruring blood pressure

1.5K
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
1.5K
Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

1.2K
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
1.2K
Assessment of blood pressure in brachial artery(one-step method)01:15

Assessment of blood pressure in brachial artery(one-step method)

554
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
554
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment of blood pressure in brachial artery(two-step method)

650
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...
650

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相关实验视频

Updated: Jun 3, 2025

Non-invasive Assessment of Microvascular and Endothelial Function
05:41

Non-invasive Assessment of Microvascular and Endothelial Function

Published on: January 29, 2013

16.2K

使用光电显微学方法进行外周血动力学估计.

Toru Shimuta1, Kaname Hanada1, Kazuteru Ryu2

  • 1Minato MIRAI Innovation Center, Murata Manufacturing Co., Ltd., 4-3-8, Minatomirai, Nishi-ku, Yokohama-shi 220-0012, Japan.

Sensors (Basel, Switzerland)
|January 8, 2025
PubMed
概括

一个新的环形可穿戴设备使用光聚聚光学来轻松测量糖尿病患者血液循环的日常变化. 这项技术有助于估计外围血液动力学,有助于在家进行健康监测.

关键词:
指的光电复发性脑图.周围血液动力学摄影图解质谱仪器的设备.摄影聚光体质学方法的方法.一个环形可穿戴设备.

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Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
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Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography

Published on: February 18, 2022

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相关实验视频

Last Updated: Jun 3, 2025

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Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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科学领域:

  • 生物医学工程 生物医学工程
  • 医疗器械 医疗器械
  • 心血管生理学心血管生理学

背景情况:

  • 糖尿病与毛细血管和动脉小血管的外周血液循环受损有关.
  • 目前用于糖尿病患者每日监测微血管功能的方法有限.
  • 摄影透视图 (PPG) 提供了一种潜在的非侵入性方法来评估血液流动动力学.

研究的目的:

  • 开发和评估一款用于测量手指光电流图 (PPG) 的新型环戴设备.
  • 评估使用该设备用于糖尿病患者周围血液动力学每日监测的可行性.
  • 为了比较糖尿病患者和健康对照组之间的PPG参数.

主要方法:

  • 开发一种基于手指的PPG设备,使用绿色和近红外LED.
  • 招募25名糖尿病患者和21名健康成年人作为对照组.
  • 获取和分析PPG信号,包括在半最大速度和波峰定时时的逆全宽.

主要成果:

  • 与对照人群相比,糖尿病患者在半最大速度的胸膜图上表现出较小的逆全宽的趋势.
  • 在糖尿病患者中,与近红外光a波峰相比,绿光a波峰的延迟显著增加.
  • 这些发现表明糖尿病患者的周围血液动力学特征发生变化.

结论:

  • 开发的环戴式PPG设备可以有效地测量手指光电流图.
  • 与糖尿病相关的外周血液动力学变化可以通过使用该设备进行非侵入性估计.
  • 这项技术有望在家中方便地每天监测糖尿病患者的循环健康.