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Related Concept Videos

Hypertension I: Introduction01:28

Hypertension I: Introduction

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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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Hypertension and Regulation of Blood Pressure01:18

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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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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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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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Alterations in Blood Pressure01:30

Alterations in Blood Pressure

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Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
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Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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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,...
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Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

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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...
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Evaluating the Effectiveness of African School of Hypertension for Non-Physician Health Workers, a Qualitative Study: QuASH Hypertension Study.

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Hypertension in developing countries.

Kemi B Tibazarwa1, Albertino A Damasceno2

  • 1The Hatter Institute for Cardiovascular Research, Department of Medicine, Faculty of Health Sciences, The University of Cape Town, Cape Town, South Africa; Department of Cardiovascular Medicine, Muhimbili National Hospital, Tanzania.

The Canadian Journal of Cardiology
|May 3, 2014
PubMed
Summary

Hypertension is a growing global health crisis, particularly in developing nations. This review examines strategies to control hypertension and improve healthcare, addressing urbanization and industrial impacts.

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Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Cardiovascular disease (CVD) is increasing globally, with hypertension as the most prevalent condition.
  • Over one-third of African adults have hypertension, mirroring trends in urban areas of developing countries.
  • Hypertension is often asymptomatic and underdiagnosed in developing nations due to underutilized screening.

Purpose of the Study:

  • To review the escalating prevalence of hypertension in developing countries.
  • To explore effective hypertension control measures, their strengths, weaknesses, and implementation challenges.
  • To address the impact of urbanization and healthcare system deficiencies on hypertension management.

Main Methods:

  • Literature review focusing on hypertension prevalence, control strategies, and challenges in developing countries.
  • Analysis of urbanization's health effects and healthcare delivery system loopholes.
  • Consideration of industrial sector roles in hypertension burden and solutions.

Main Results:

  • Hypertension is a leading cause of cardiovascular mortality globally, including stroke and coronary artery disease.
  • In Africa, hypertension is the primary cause of heart failure.
  • Uncontrolled hypertension, often undiagnosed, leads to significant adverse cardiovascular outcomes.

Conclusions:

  • Addressing hypertension requires multifaceted strategies, including public health interventions and improved healthcare delivery.
  • Mitigating urbanization's health impact and strengthening surveillance/management systems are crucial.
  • Engaging industrial sectors can contribute to both the problem and the solution for hypertension control.