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Related Concept Videos

Hypertension I: Introduction01:28

Hypertension I: Introduction

879
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,...
879
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

944
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,...
944
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

433
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.
433
Resistivity01:22

Resistivity

4.6K
When a voltage is applied to a conductor, an electrical field is generated, and charges in the conductor feel the force due to the electrical field. The current density that results depends on the electrical field and the properties of the material. In some materials, including metals at a given temperature, the current density is approximately proportional to the electrical field. In these cases, the current density can be modeled as:
4.6K
Resistance01:19

Resistance

6.0K
When a current moves through any conductor, the conductor causes some level of difficulty for the current to flow. The measure of that difficulty is known as the resistance of the material and is represented by R. Every material has its own resistance. In the case of conductors, heat is emitted whenever a current passes through them. Resistance depends on the resistivity of the material. Resistivity is a characteristic of the material used to fabricate electrical components, whereas the...
6.0K
Equivalent Resistance01:16

Equivalent Resistance

982
In circuit analysis, situations often arise where resistors are neither in series nor parallel configurations. To tackle such scenarios, three-terminal equivalent networks like the wye (Y) (Figure 1 (a)) or tee (T) and delta (Δ) (Figure 1 (b)) or pi (π) networks come into play. These networks offer versatile solutions and are frequently encountered in various applications, including three-phase electrical systems, electrical filters, and matching networks.
982

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Related Experiment Video

Updated: Feb 4, 2026

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension
04:37

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension

Published on: June 6, 2025

745

Guest Editorial Challenges in Resistant Hypertension.

Thomas Kahan1

  • 1Karolinska Institute, Department of Clinical Sciences, Danderyd Hospital, Division of Cardiovascular Medicine; Department of Cardiology, Danderyd University Hospital Corporation, Stockholm, Sweden.

European Cardiology
|October 13, 2018
PubMed
Summary

Effective hypertension management requires improving patient blood pressure control. Strategies include risk assessment, enhanced support, and specialist referral, especially for resistant hypertension cases.

Keywords:
Prognosisresistant hypertension

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Heterogeneous Removal of Water-Soluble Ruthenium Olefin Metathesis Catalyst from Aqueous Media Via Host-Guest Interaction
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Area of Science:

  • Cardiology
  • Public Health

Background:

  • Hypertension is a leading risk factor for cardiovascular disease and mortality.
  • Despite proven antihypertensive therapies, blood pressure control remains suboptimal in many patients.

Purpose of the Study:

  • To outline key strategies for improving blood pressure control in hypertensive individuals.
  • To highlight the potential clinical benefits of optimized hypertension management.

Main Methods:

  • Review of current clinical practices and recommendations for hypertension management.
  • Emphasis on comprehensive patient assessment and multi-faceted treatment approaches.

Main Results:

  • Few patients achieve target blood pressure despite available treatments.
  • Multiple interventions can enhance treatment efficacy and patient outcomes.

Conclusions:

  • Significant opportunities exist to improve blood pressure control in hypertensive patients.
  • Optimizing blood pressure management offers substantial clinical benefits, particularly for those with resistant hypertension.