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Related Concept Videos

Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

636
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
636
Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

985
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...
985
Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

829
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.
829
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

62
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
62
Assessment of blood pressure in brachial artery(two-step method)01:23

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

949
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...
949
Assessment of blood pressure in brachial artery(one-step method)01:15

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

713
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
713

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Related Experiment Video

Updated: Sep 20, 2025

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
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Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

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Developing and validating a diagnostic threshold for central blood pressure in assessing cardiovascular risks.

Shuqi Wang1, Samuel Y S Wong1, Benjamin H K Yip1

  • 1JC School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, JC School of Public Health and Primary Care, Prince of Wales Hospital, Shatin, Hong Kong SAR, China.

European Journal of Preventive Cardiology
|May 23, 2025
PubMed
Summary

A new threshold for central blood pressure (cBP) was established at 135 mmHg. Central hypertension, even without brachial hypertension, significantly increases cardiovascular disease (CVD) risk, improving risk prediction beyond traditional measures.

Keywords:
Cardiovascular diseasesCentral blood pressureHypertension

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Area of Science:

  • Cardiology
  • Hypertension Research
  • Preventive Medicine

Background:

  • Traditional blood pressure (BP) measurements may not fully capture cardiovascular disease (CVD) risk.
  • Central blood pressure (cBP) offers a more direct assessment of arterial load.
  • Establishing outcome-derived thresholds for cBP is crucial for clinical application.

Purpose of the Study:

  • To establish an outcome-derived threshold for central blood pressure (cBP).
  • To evaluate the clinical utility of cBP in stratifying cardiovascular disease (CVD) risk.
  • To compare CVD risk associated with different combinations of brachial and central BP levels.

Main Methods:

  • Retrospective cohort study of 34,289 adults from the UK Biobank.
  • Primary endpoint: composite of cardiovascular mortality and non-fatal cardiovascular events.
  • Developed cBP diagnostic threshold using bootstrap and approximation methods; employed Cox regression for risk prediction analysis.

Main Results:

  • Established a central systolic blood pressure (SBP) threshold of 135 mmHg, corresponding to a brachial SBP threshold of 140 mmHg.
  • Identified distinct risk categories: concordant normotension (49.84%), isolated brachial hypertension (2.23%), isolated central hypertension (3.65%), and concordant hypertension (44.28%).
  • Isolated central hypertension (HR 1.70) and concordant hypertension (HR 1.51) showed significantly elevated CVD risk compared to normotension. Inclusion of cBP improved CVD risk prediction models.

Conclusions:

  • A central SBP diagnostic threshold of 135 mmHg is proposed.
  • Elevated central hypertension signifies increased CVD risk, irrespective of brachial blood pressure status.
  • Integrating central BP measurements enhances cardiovascular risk prediction beyond conventional brachial BP assessments.