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相关概念视频

Korotkoff Sounds01:12

Korotkoff Sounds

3.0K
Korotkoff sounds are the specific sounds heard while measuring blood pressure using a sphygmomanometer, typically with a stethoscope or a Doppler device. They are named after Russian physician Nikolai Korotkov, who first described them in 1905. These sounds correspond to turbulent blood flow in the artery as the blood pressure cuff is gradually released after inflation.
During blood pressure assessment, inflating the cuff 30 millimeters of mercury above the patient's systolic blood pressure...
3.0K
Assessment of blood pressure in brachial artery(two-step method)01:23

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

659
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...
659
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

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相关实验视频

Updated: Jun 11, 2025

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180&#176; Curved Artery Test Section
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结肠压力信号的排泄方法基于改进的波纹值.

Liu Cui1, Zhisen Si1, Kai Zhao2

  • 1Department of Computer Science and Information Engineering, Shanghai Institute of Technology, Shanghai 201418, People's Republic of China.

Biomedical physics & engineering express
|October 1, 2024
PubMed
概括

这项研究引入了一种改进的波纹消噪方法,以准确分析结肠周位压力信号. 新技术有效过噪音,提高肠道疾病的诊断.

关键词:
大肠压力信号一个层次的值.值函数是一个值函数.波浪式无声化 波浪式无声化

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科学领域:

  • 生物医学工程 生物医学工程
  • 信号处理 信号处理

背景情况:

  • 结肠周围压力信号对于诊断肠道疾病至关重要.
  • 信号干扰使得对结肠周立体的准确评估变得复杂.

研究的目的:

  • 为结肠周位压力信号开发一种改进的波纹值消极化方法.
  • 为了增强真实信号的提取和过噪音.

主要方法:

  • 提出了基于离散波量变换的改进波量值否定算法.
  • 构建了一个灵活的值函数,具有三个形状调整因子.
  • 设计了考虑不同分解水平和等级值的值计算方法.

主要成果:

  • 该方法有效地消除了结肠压力信号,改善了信号提取.
  • 实验分析证实了非静止信号的可靠性和稳定性.
  • 在消除和提取结肠周位压力信号方面表现优于其他方法.

结论:

  • 拟议的方法通过有效过噪音,准确地提取结肠周位压力信号.
  • 这种技术有助于改善结肠周平静障碍的识别和治疗.