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Related Concept Videos

Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment 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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Assessment of blood pressure in brachial artery(one-step method)01:15

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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:
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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

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Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
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Related Experiment Video

Updated: May 10, 2025

Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
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Point-of-Care NSE Biosensor for Objective Assessment of Stroke Risk.

Cheng Hsu Chen1,2, Erick Wang3,4, Tsung-Han Lee1,5,6

  • 1Department of Emergency and Critical Care Medicine, Changhua Christian Hospital, Changhua 50006, Taiwan.

Biosensors
|April 25, 2025
PubMed
Summary
This summary is machine-generated.

A new electrochemical biosensor rapidly detects neuron-specific enolase (NSE) in whole blood, aiding in faster stroke diagnosis. This device offers a quick, accurate alternative to current methods, improving pre-hospital stroke risk assessment.

Keywords:
neuron-specific enolasestroke assessmentstroke biomarker

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Area of Science:

  • Biomedical Engineering
  • Clinical Diagnostics
  • Neuroscience

Background:

  • Rapid stroke identification is crucial for patient outcomes.
  • Current stroke risk assessment methods are subjective and prone to misdiagnosis.
  • Neuron-specific enolase (NSE) is a potential stroke biomarker, but existing detection methods are slow and expensive.

Purpose of the Study:

  • To develop a rapid, cost-effective electrochemical biosensor for quantifying NSE in whole blood.
  • To evaluate the biosensor's performance against standard hospital methods.
  • To assess the biosensor's utility in pre-hospital stroke detection.

Main Methods:

  • Development of an electrochemical biosensor for NSE detection.
  • Establishment of mouse stroke models.
  • Analysis of blood samples using the developed biosensor and electrochemiluminescence immunoassay (ECLIA).

Main Results:

  • The biosensor achieved a limit of detection of 1.15 ng/mL.
  • NSE measurements from the biosensor highly correlated with ECLIA results.
  • The biosensor provided results in 5 minutes using 20 μL of unprocessed whole blood.
  • The biosensor accurately quantified elevated NSE levels associated with stroke severity.

Conclusions:

  • The developed electrochemical biosensor enables rapid NSE quantification in whole blood.
  • This biosensor shows significant potential for pre-hospital stroke risk assessment.
  • Integration of this biosensor could improve diagnostic accuracy and timely treatment for stroke patients.