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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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Introduction Cardiac Emergencies01:30

Introduction Cardiac Emergencies

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Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
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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 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 II: Pathophysiology01:29

Hypertension II: Pathophysiology

182
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 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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CE: Hypertensive Emergencies: A Review.

Essie P Mathews1, Faith Newton, Kartavya Sharma

  • 1Kartavya Sharma is an assistant professor in the Departments of Neurology and Neurological Surgery at the University of Texas Southwestern Medical Center, Dallas, where Essie P. Mathews is an advanced practice RN in the Department of Neurology and Faith Newton is an adult-gerontology acute care NP in the Department of Neurology. Contact author: Kartavya Sharma, kartavya.sharma@utsouthwestern.edu . The authors and planners have disclosed no potential conflicts of interest, financial or otherwise. A podcast with the authors is available at www.ajnonline.com .

The American Journal of Nursing
|September 12, 2021
PubMed
Summary
This summary is machine-generated.

Hypertensive emergencies require immediate hospitalization for blood pressure above 180/120 mmHg with organ damage. Differentiating this from hypertensive urgency is vital for appropriate emergency treatment.

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Area of Science:

  • Emergency Medicine
  • Cardiology
  • Nephrology

Background:

  • Acute blood pressure elevations are common in emergency departments.
  • Not all instances of high blood pressure necessitate emergency intervention.
  • Distinguishing between hypertensive emergencies and urgencies is crucial for patient outcomes.

Purpose of the Study:

  • To define the spectrum of uncontrolled hypertension.
  • To differentiate hypertensive emergencies from hypertensive urgencies.
  • To describe the pathophysiology, clinical manifestations, and management of hypertensive emergencies.

Main Methods:

  • Review of clinical signs and symptoms associated with target organ damage.
  • Evaluation of blood pressure levels and their correlation with organ damage.
  • Analysis of factors influencing drug therapy for hypertensive emergencies.

Main Results:

  • Hypertensive emergencies are defined by blood pressure >180/120 mmHg with acute target organ damage.
  • Target organ damage necessitates hospitalization and intravenous pharmacotherapy.
  • Absence of organ damage allows for outpatient management with oral antihypertensives.

Conclusions:

  • Prompt recognition of clinical signs and symptoms is critical for timely intervention.
  • Management strategies are influenced by end-organ involvement, drug properties, and patient comorbidities.
  • Close monitoring and frequent nursing intervention are essential for patient recovery.