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Related Concept Videos

Measurement of Blood Pressure01:17

Measurement of Blood Pressure

3.6K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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Pulse rhythm01:30

Pulse rhythm

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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...
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Equipments Used To Measure Blood Pressure01:30

Equipments 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...
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Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

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Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
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Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

1.4K
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.
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Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

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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:
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Cuffless Blood Pressure Estimation from only the Waveform of Photoplethysmography using CNN.

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Related Experiment Video

Updated: Mar 2, 2026

Long-term Blood Pressure Measurement in Freely Moving Mice Using Telemetry
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Long-term Blood Pressure Measurement in Freely Moving Mice Using Telemetry

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Cuffless Blood Pressure Estimation Based on Data-Oriented Continuous Health Monitoring System.

Kengo Atomi1, Haruki Kawanaka1, Md Shoaib Bhuiyan2

  • 1Graduate School of Information Science and Technology, Aichi Prefectural University, Aichi, Japan.

Computational and Mathematical Methods in Medicine
|May 20, 2017
PubMed
Summary
This summary is machine-generated.

Continuous blood pressure monitoring is vital for health and preventing diseases like hypertension. This study introduces a cuffless method using a photoplethysmograph sensor for easier, more flexible health tracking.

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Area of Science:

  • Biomedical Engineering
  • Health Informatics
  • Wearable Technology

Background:

  • Continuous blood pressure monitoring is crucial for managing health and preventing lifestyle diseases like hypertension.
  • Current cuff-based methods are uncomfortable and impractical for long-term use.
  • Previous research explored cuffless blood pressure estimation using data-oriented approaches.

Purpose of the Study:

  • To implement and validate a novel cuffless blood pressure estimation method.
  • To develop a cloud system for collecting and managing blood pressure data from wearable sensors.
  • To create applications for visualizing life-log data, including time-series blood pressure trends.

Main Methods:

  • Utilized a photoplethysmograph (PPG) sensor for blood pressure estimation, eliminating the need for a cuff.
  • Developed a cloud-based platform to store and manage PPG-derived blood pressure data.
  • Integrated a wristwatch-type PPG sensor for convenient, real-world data acquisition.
  • Created user-facing applications to visualize collected life-log and blood pressure data.

Main Results:

  • Successfully implemented a cuffless blood pressure estimation technique.
  • Launched a functional cloud system capable of handling continuous blood pressure data.
  • Demonstrated the feasibility of visualizing time-series blood pressure data within a life-log application.
  • The PPG-based method offers flexibility in sensor placement and measurement scenarios.

Conclusions:

  • Cuffless blood pressure monitoring using PPG sensors is a viable and comfortable alternative to traditional methods.
  • The developed cloud system and visualization tools support continuous health monitoring and disease prevention.
  • This approach enhances the potential for early detection and management of hypertension and related conditions.