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Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

1.6K
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...
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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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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 I: Introduction01:27

Heart Failure I: Introduction

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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...
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Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

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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...
592
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

631
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 VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

765
The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...
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Related Experiment Video

Updated: Apr 18, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
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Systolic heart failure: knowledge gaps, misconceptions, and future directions.

Rohan Samson1, Rohit Ramachandran1, Thierry H Le Jemtel1

  • 1Tulane University Heart and Vascular Institute, Tulane University School of Medicine, New Orleans, LA.

Ochsner Journal
|January 20, 2015
PubMed
Summary

Early intervention for systolic heart failure (HF) is crucial. While beta blockers can reverse left ventricular remodeling, their preventative role and optimal patient selection for defibrillators require further study to combat this cardiovascular pandemic.

Keywords:
Adrenergic beta-antagonistsangiotensin-converting enzyme inhibitorsdefibrillators–implantableheart failure–systolic

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Area of Science:

  • Cardiology
  • Heart Failure Research

Background:

  • Systolic heart failure (HF) represents a late stage of cardiovascular disease.
  • Current guidelines focus on early risk factor management, but treatment often begins late (Stage C).
  • HF imposes a significant burden on healthcare systems.

Purpose of the Study:

  • To identify knowledge gaps and misconceptions in systolic heart failure (HF).
  • To review current understanding and treatment limitations of systolic HF.

Main Methods:

  • Conducted an extensive literature review.
  • Utilized the MEDLINE/PubMed database for analysis.

Main Results:

  • Long-term beta-adrenergic blocking is the sole pharmacologic intervention shown to reverse left ventricular remodeling.
  • Uncertainty remains regarding beta blockers' ability to prevent or delay remodeling in at-risk patients.
  • Knowledge gaps exist concerning patient phenotypes benefiting from implantable cardioverter defibrillator therapy.
  • Acute decompensated heart failure is a misnomer; chronic HF patients deteriorate gradually before hospitalization.
  • Functional class and ejection fraction show weak correlation.
  • Advanced HF therapies are accessible to a very limited patient population.

Conclusions:

  • Focusing on early disease stages and optimal risk factor management is critical for impacting the HF pandemic.
  • Proactive management of cardiovascular risk factors is essential to mitigate the widespread impact of heart failure.