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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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...
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Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Proper measurement of leg blood pressure is a critical skill for healthcare providers, ensuring precise and reliable readings. When performed correctly, this procedure informs patient care and enhances the efficacy of interventions. The following text outlines step-by-step guidelines to measure blood pressure in the leg, providing clarity and ease of understanding for practitioners.
Preparation:

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Updated: Jul 3, 2026

Non-invasive Assessment of Microvascular and Endothelial Function
05:41

Non-invasive Assessment of Microvascular and Endothelial Function

Published on: January 29, 2013

Endothelial function assessment in complicated hypertension.

A Virdis1, L Ghiadoni, D Versari

  • 1Department of Internal Medicine, University of Pisa, Pisa, Italy. a.virdis@med.unipi.it

Current Pharmaceutical Design
|August 5, 2008
PubMed
Summary
This summary is machine-generated.

Essential hypertension patients show endothelial dysfunction due to oxidative stress, impacting NO availability. Current tests lack the sensitivity for clinical use, requiring more research into reliable endothelial function assessment methods.

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Last Updated: Jul 3, 2026

Non-invasive Assessment of Microvascular and Endothelial Function
05:41

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Published on: January 29, 2013

Assessment of Vascular Function in Patients With Chronic Kidney Disease
08:50

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Published on: June 16, 2014

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07:46

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Area of Science:

  • Cardiovascular Research
  • Hypertension Studies
  • Endothelial Function Assessment

Background:

  • Essential hypertension and complicated hypertension are linked to endothelial dysfunction.
  • Impaired nitric oxide (NO) availability, driven by oxidative stress, characterizes this dysfunction.
  • Endothelial dysfunction is an early indicator of atherosclerosis and a contributor to cardiovascular events.

Purpose of the Study:

  • To review current techniques for assessing endothelial dysfunction in essential hypertension.
  • To discuss the advantages and limitations of various methodologies.
  • To focus on endothelial dysfunction in complicated hypertension.

Main Methods:

  • Review of vascular reactivity tests for assessing endothelial function.
  • Evaluation of techniques for microcirculation (resistance arteries, arterioles) and macrocirculation (conduit arteries).
  • Consideration of both coronary and peripheral vascular districts.

Main Results:

  • Numerous studies have evaluated endothelial function in hypertensive patients using diverse techniques.
  • Methodologies exist for studying both microcirculation and macrocirculation.
  • No single test currently possesses sufficient sensitivity and specificity for clinical practice.

Conclusions:

  • The optimal methodology for assessing multifaceted endothelial dysfunction remains debated.
  • Further research requires concordant results from multiple reproducible methods.
  • Conclusive answers necessitate reliable and validated techniques for endothelial function assessment.