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Sites for measruring blood pressure

Sites for measruring blood pressure

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

Assessing Blood pressure using a doppler ultrasound

Assessing Blood pressure using a doppler ultrasound

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:

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

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

This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:

Equipments Used To Measure Blood Pressure

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...

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

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

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...

Measurement of Blood Pressure

Measurement of Blood Pressure

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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Related Experiment Video

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Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver

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Real-Time Cuffless Continuous Blood Pressure Estimation Using 1D Squeeze U-Net Model: A Progress toward mHealth.

Tasbiraha Athaya¹, Sunwoong Choi²

¹Department of Computer Science, University of Central Florida, Orlando, FL 32816, USA.

|August 25, 2022

Summary

A new mobile health application uses a deep learning model to estimate blood pressure (BP) in real time from photoplethysmogram (PPG) signals. This cuffless method offers accurate, convenient home BP monitoring for hypertension assessment.

Keywords:

Squeeze U-net blood pressure (BP)deep learning mHealth photoplethysmogram (PPG)real time

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Area of Science:

Biomedical Engineering
Artificial Intelligence in Healthcare
Cardiovascular Monitoring

Background:

Continuous blood pressure (BP) monitoring is crucial for healthcare advancement.
Current cuff-based methods are inconvenient for real-time, continuous measurement.
Mobile health (mHealth) offers potential for remote patient monitoring.

Purpose of the Study:

To propose a real-time, cuffless method for measuring blood pressure (BP) using a smartphone.
To develop an energy-efficient, 1D Squeeze U-net model for BP estimation from photoplethysmogram (PPG) signals.
To create an Android application for convenient home BP measurement and hypertension assessment.

Main Methods:

Utilized a 1D Squeeze U-net deep learning model to process raw photoplethysmogram (PPG) signals.
Assessed the model's accuracy and reliability on 100 individuals across MIMIC-I and MIMIC-III datasets.
Developed a smartphone application for real-time, cuffless BP estimation.

Main Results:

The model achieved high accuracy in estimating systolic BP (MAE 4.42 mmHg), diastolic BP (MAE 2.25 mmHg), and mean arterial pressure (MAE 2.56 mmHg).
Results met the British Hypertension Society's grade A performance requirements and AAMI error range.
Demonstrated that short PPG signal segments are sufficient for accurate real-time BP measurement.

Conclusions:

A novel, real-time cuffless BP estimation method using mHealth and deep learning is presented.
The developed system enables accurate home BP measurement and supports hypertension assessment.
This approach advances continuous cardiovascular monitoring through accessible mobile technology.