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Related Concept Videos

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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Diabetes Mellitus: Type 2 and Gestational01:22

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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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Hypertension II: Pathophysiology01:29

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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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Hypertension I: Introduction01:28

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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 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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Pathophysiology of Diabetes01:20

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Related Experiment Video

Updated: Dec 7, 2025

Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Eclampsia in the 21st century.

Michal Fishel Bartal1, Baha M Sibai1

  • 1Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX.

American Journal of Obstetrics and Gynecology
|September 27, 2020
PubMed
Summary
This summary is machine-generated.

Eclampsia is significantly more common in developing countries, leading to higher maternal mortality. Magnesium sulfate is crucial for preventing eclamptic seizures in severe preeclampsia, improving maternal and neonatal outcomes.

Keywords:
abruptionangiogeniccardiovascularcerebral edemaconvulsionsfetal deathfetal growth restrictionhypertensive disorder of pregnancymagnesium sulfatematernal mortalityplacental growth factorposterior reversible encephalopathy syndromeseizuressevere maternal morbiditysoluble endoglinsoluble fms-like tyrosine kinase-1vascular endothelial growth factor

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Neurology

Background:

  • Eclampsia incidence is markedly higher in developing nations (50-151/10,000 deliveries) compared to developed ones (1.6-10/10,000 deliveries).
  • Disparities in prenatal care, early detection, and healthcare resources contribute to higher maternal and perinatal mortality in low-resource settings.
  • Lack of experience with acute eclampsia management in developed countries necessitates clear, standardized protocols.

Purpose of the Study:

  • To review the pathogenesis, diagnosis, and management of eclampsia.
  • To emphasize the importance of clear protocols for eclampsia prevention and treatment.
  • To discuss current recommendations for preventing eclamptic seizures in women with preeclampsia.

Main Methods:

  • Review of existing literature on eclampsia incidence, pathogenesis, and outcomes.
  • Analysis of the role of magnesium sulfate in seizure prevention.
  • Discussion of diagnostic imaging findings and differential diagnoses.
  • Outline of management strategies before and after delivery.

Main Results:

  • Magnesium sulfate reduces eclamptic seizure risk in severe preeclampsia from 2% to <0.6%.
  • Blood-brain barrier disruption is the leading theory for eclampsia pathogenesis, potentially involving factors like vascular endothelial growth factor.
  • Posterior reversible encephalopathy syndrome (PRES) is a common imaging finding, usually resolving within 1-2 weeks.

Conclusions:

  • Eclampsia is associated with significant maternal morbidity and mortality, including placental abruption and renal failure.
  • Long-term risks include cardiovascular issues and cognitive difficulties.
  • Placental growth factor may be a superior predictor of adverse outcomes in preeclampsia, potentially aiding in eclampsia prediction.