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Related Concept Videos

Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

34
Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
34
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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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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Vascular Resistance01:20

Vascular Resistance

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Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
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Blood Pressure01:30

Blood Pressure

1.3K
Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
1.3K
Hypertension I: Introduction01:28

Hypertension I: Introduction

38
Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
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Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

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The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
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Related Experiment Video

Updated: Aug 15, 2025

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

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

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Current topic of vascular function in hypertension.

Tatsuya Maruhashi1, Yukihito Higashi2,3

  • 1Department of Regenerative Medicine, Division of Radiation Medical Science, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan. maru0512@hiroshima-u.ac.jp.

Hypertension Research : Official Journal of the Japanese Society of Hypertension
|January 5, 2023
PubMed
Summary
This summary is machine-generated.

Vascular function tests help evaluate atherosclerosis and cardiovascular risk. This review covers new findings on vascular function, its link to COVID-19, and lifestyle impacts.

Keywords:
Arterial stiffnessCoronavirus disease 2019Endothelial functionHypertensionVascular function

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Area of Science:

  • Cardiovascular Medicine
  • Vascular Biology
  • Hypertension Research

Background:

  • Vascular function assessment aids in evaluating atherosclerosis severity and cardiovascular risk stratification.
  • Understanding vascular dysfunction is key to understanding cardiometabolic disorders.
  • Despite COVID-19 challenges, significant research on vascular function was published in 2020-2021.

Purpose of the Study:

  • To review recent findings on vascular function.
  • To discuss the relationship between vascular function and COVID-19.
  • To highlight the role of lifestyle modifications and vascular function tests in managing cardiovascular risk.

Main Methods:

  • Literature review of recent publications in hypertension and cardiovascular journals.
  • Synthesis of new findings on vascular function assessment.
  • Discussion of clinical implications for cardiovascular risk management.

Main Results:

  • Vascular function tests provide valuable information for atherosclerosis evaluation and risk stratification.
  • Associations between vascular dysfunction and cardiometabolic disorders are increasingly understood.
  • New insights link vascular function to COVID-19 and emphasize lifestyle interventions.

Conclusions:

  • Vascular function assessment is crucial for managing cardiovascular risk factors like hypertension.
  • Lifestyle modifications are vital for maintaining vascular health.
  • This review offers practical insights for clinical practice regarding vascular function and cardiovascular disease management.