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Related Concept Videos

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 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 II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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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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Heart Failure I: Introduction01:27

Heart Failure I: Introduction

614
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...
614
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

2.2K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
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Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

355
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: Dec 27, 2025

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
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Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

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The Heart Failure with Preserved Ejection Fraction Conundrum-Redefining the Problem and Finding Common Ground?

P Iyngkaran1, M C Thomas2, C Neil3

  • 1Werribee Mercy Sub School, School of Medicine, Sydney, Australia.

Current Heart Failure Reports
|March 1, 2020
PubMed
Summary
This summary is machine-generated.

Heart failure with preserved ejection fraction (HFpEF) affects over half of congestive heart failure cases. New diagnostic and therapeutic approaches are needed as current treatments for HFpEF lack efficacy data.

Keywords:
Clinical trialsDiagnosisDiastolic heart failureEpidemiologyHFpEFHeart failure with preserved ejection fraction

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Area of Science:

  • Cardiology
  • Heart Failure Research

Background:

  • Heart failure with preserved ejection fraction (HFpEF), also known as diastolic heart failure (DHF), constitutes over 50% of congestive heart failure (CHF) cases.
  • The increasing elderly population is projected to drive an epidemic rise in HFpEF, escalating healthcare costs and straining infrastructure.
  • Unlike systolic heart failure (SHF), HFpEF presents significant uncertainties regarding risk factors, pathophysiology, and effective treatment monitoring.

Purpose of the Study:

  • To review current understanding and recent advancements in the field of HFpEF.
  • To highlight the limitations in diagnosing and managing HFpEF compared to SHF.
  • To provide perspective on emerging trends and future directions in HFpEF research.

Main Methods:

  • Review of recent epidemiological observations and guideline changes.
  • Analysis of diagnostic tools, including the role of exercise diastolic stress testing.
  • Evaluation of current therapeutic strategies and their limitations in HFpEF.

Main Results:

  • Existing guidelines for HFpEF rely heavily on general symptoms and static echocardiographic parameters.
  • The exercise diastolic stress test offers a more dynamic assessment and warrants increased clinical focus.
  • Current therapeutic options for HFpEF are largely extrapolated from SHF without specific prognostic data.

Conclusions:

  • HFpEF represents a growing clinical challenge with evolving diagnostic and therapeutic landscapes.
  • Further research is essential to clarify risk factors, pathophysiology, and develop effective, evidence-based treatments for HFpEF.
  • The field anticipates significant advancements and new thinking in HFpEF management over the next decade.