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Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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...
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,...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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,...
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

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.
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...
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:

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Related Experiment Videos

Differentiating between gestational and chronic hypertension; an explorative study.

Josien A Terwisscha van Scheltinga1, Ineke Krabbendam, Marc E A Spaanderman

  • 1Department of Obstetrics and Gynecology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands. j.terwisschavanscheltinga@obgyn.umcn.nl

Acta Obstetricia Et Gynecologica Scandinavica
|December 15, 2012
PubMed
Summary
This summary is machine-generated.

Hypertension before 20 weeks gestation may not always be chronic. Differentiating chronic hypertension from gestational hypertension does not predict later complications or fetal growth restriction.

Related Experiment Videos

Area of Science:

  • Obstetrics and Gynecology
  • Cardiovascular Health
  • Perinatal Medicine

Background:

  • Hypertension in pregnancy is categorized as chronic hypertension (CH) if diagnosed before 20 weeks gestation and gestational hypertension (GH) if diagnosed later.
  • Existing guidelines provide definitions but the clinical utility of differentiating early-onset hypertension requires further investigation.

Purpose of the Study:

  • To determine if hypertension diagnosed before 20 weeks gestation is preceded by chronic hypertension.
  • To assess if pregnancy outcomes differ based on the timing of hypertension onset.

Main Methods:

  • Retrospective cohort study involving 148 women with a history of obstetric vascular complications at a tertiary obstetric center.
  • Women were categorized into groups based on hypertension onset: pre-pregnancy (CH), before 20 weeks (early GH), after 20 weeks (late GH), and normotensive.
  • Maternal and neonatal outcomes, including pre-eclampsia, HELLP syndrome, and intra-uterine growth restriction, were analyzed.

Main Results:

  • Of 75 women with hypertension in the first half of pregnancy, 39% had CH and 61% had early GH.
  • Obstetric complications were more frequent in all hypertensive groups compared to normotensive women.
  • No significant differences in obstetric complications or intra-uterine growth restriction were found between the CH and early GH groups.

Conclusions:

  • Hypertension identified in the first half of pregnancy does not definitively confirm chronic hypertension.
  • While hypertension in pregnancy is associated with adverse maternal and fetal outcomes, distinguishing between CH and GH does not appear to improve risk assessment for subsequent complications or fetal growth restriction.