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Related Concept Videos

Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

2.1K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
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Heart Failure I: Introduction01:27

Heart Failure I: Introduction

170
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
170
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

118
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
118
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

58
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
58
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

108
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
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Heart Failure: Heart Failure With Reduced Ejection Fraction.

Kathy Barnhouse1

  • 1Department of Family Medicine at University of North Carolina at Chapel Hill School of Medicine, 590 Manning Drive, Chapel Hill, NC 27514.

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|July 15, 2021
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Summary

Heart failure with reduced ejection fraction (HFrEF) is increasingly common. Early goal-directed management within six months of diagnosis is crucial for reducing HFrEF morbidity and mortality.

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Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • Heart failure with reduced ejection fraction (HFrEF) prevalence is rising, particularly in aging populations.
  • HFrEF shares clinical similarities with HF with preserved ejection fraction (HFpEF), yet etiological factors may differ.
  • Cardiac ischemia is a significant contributor to new-onset HFrEF.

Purpose of the Study:

  • To highlight the importance of timely diagnosis and management of HFrEF.
  • To differentiate HFrEF from HFpEF regarding etiology and management.
  • To emphasize adherence to goal-directed therapy for improved patient outcomes.

Main Methods:

  • Review of current clinical guidelines and literature on HFrEF management.
  • Analysis of etiological factors contributing to HFrEF.
  • Discussion of therapeutic strategies, including medical management and device therapy.

Main Results:

  • Prompt initiation of goal-directed management within six months of HFrEF diagnosis is vital.
  • Cardiac ischemia should be considered in the etiology of new-onset HFrEF.
  • Device therapies like implantable cardioverter-defibrillators and cardiac resynchronization therapy benefit select HFrEF patients.

Conclusions:

  • Timely and comprehensive management of HFrEF is essential for reducing adverse outcomes.
  • Distinguishing HFrEF from HFpEF is critical for appropriate therapeutic selection.
  • Referral to cardiology subspecialists is recommended for complex HFrEF cases.