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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

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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Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

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The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
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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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Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

1.8K
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,...
1.8K
Hormonal Regulation01:33

Hormonal Regulation

30.4K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
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Related Experiment Video

Updated: May 3, 2026

Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles

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Hypertension in pregnancy.

Amanda R Vest1, Leslie S Cho

  • 1Heart Failure Fellow, Heart and Vascular Institute, Cleveland Clinic, Ohio, 9500 Euclid Avenue, Cleveland, OH, 44195, USA, vesta@ccf.org.

Current Atherosclerosis Reports
|January 31, 2014
PubMed
Summary
This summary is machine-generated.

Hypertensive disorders complicate 5-10% of pregnancies and are a leading cause of maternal death. Early identification and management of preeclampsia, HELLP syndrome, and eclampsia are crucial for maternal health.

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Related Experiment Videos

Last Updated: May 3, 2026

Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System
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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Cardiovascular Health

Background:

  • Hypertensive disorders complicate 5-10% of pregnancies, posing significant maternal mortality risks.
  • Distinguishing between chronic/gestational hypertension and pregnancy-specific conditions like preeclampsia, HELLP syndrome, and eclampsia is critical.
  • Recent guidelines have evolved, removing proteinuria as a mandatory diagnostic criterion for preeclampsia.

Purpose of the Study:

  • To review the classification and pathophysiology of hypertensive disorders in pregnancy.
  • To highlight diagnostic criteria changes and management strategies.
  • To emphasize the long-term cardiovascular risks associated with pregnancy-induced hypertension.

Main Methods:

  • Literature review of current guidelines and pathophysiological mechanisms.
  • Analysis of diagnostic criteria evolution, particularly regarding proteinuria.
  • Summary of management protocols for severe features, HELLP syndrome, and eclampsia.

Main Results:

  • Hypertensive disorders encompass a spectrum from chronic hypertension to severe conditions like eclampsia.
  • Inadequate cytotrophoblastic invasion leads to placental hypoperfusion and maternal endothelial dysfunction.
  • Angiogenic and antiangiogenic peptide profiles change preceding clinical preeclampsia onset.

Conclusions:

  • Delivery of the fetus remains the definitive treatment for preeclampsia.
  • Close monitoring and timely intervention with magnesium sulfate are vital for severe cases.
  • Pregnancy-induced hypertension is linked to increased future maternal risk of hypertension and cardiovascular disease.