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Related Concept Videos

Factors affecting Blood pressure01:28

Factors affecting Blood pressure

Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
Hypertension and Regulation of Blood Pressure01:18

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...
Blood Pressure01:30

Blood Pressure

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 diastolic...
Blood Pressure01:24

Blood Pressure

The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Hypertension I: Introduction01:28

Hypertension I: Introduction

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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Related Experiment Video

Updated: Jul 3, 2026

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

[Aging and blood pressure].

Romeu Mendes1, J L Themudo Barata

  • 1Faculdade de Ciências da Saúde, Universidade da Beira Interior, Covilhã.

Acta Medica Portuguesa
|July 16, 2008
PubMed
Summary

As people age, cardiovascular system changes naturally increase blood pressure, leading to hypertension. This study examines age-related cardiovascular shifts that elevate blood pressure in older adults.

Area of Science:

  • Cardiovascular Physiology
  • Gerontology
  • Hypertension Research

Context:

  • High blood pressure (hypertension) is a primary risk factor for cardiovascular diseases.
  • Prevalence of hypertension increases significantly in older individuals, correlating with higher mortality and morbidity.
  • Age-related cardiovascular changes occur even without underlying pathology.

Purpose:

  • To analyze age-inherent cardiovascular system alterations.
  • To understand mechanisms driving increased blood pressure with advanced age.
  • To identify factors contributing to hypertension development in the elderly.

Summary:

  • Aging induces anatomical and physiological changes in the cardiovascular system.
  • These changes include arterial structural modifications and myocardial alterations.

Related Experiment Videos

Last Updated: Jul 3, 2026

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

  • Endothelial and baroreceptor dysfunction are associated with age-related hypertension.

    • Impact:

    • Provides insights into the pathophysiology of hypertension in aging populations.
    • Highlights the importance of understanding age-related cardiovascular remodeling.
    • Informs strategies for managing hypertension in older adults.