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Related Concept Videos

Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

1.8K
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...
1.8K
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

46
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...
46
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

31
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...
31
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

27
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...
27
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

134
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,...
134
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

41
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...
41

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Updated: Sep 5, 2025

Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF
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Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF

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Obesity and HFpEF.

Francesco Clemenza1, Roberto Citarrella2, Angelo Patti2

  • 1Cardiology Department, IRCCS-ISMETT, 90127 Palermo, Italy.

Journal of Clinical Medicine
|July 9, 2022
PubMed
Summary
This summary is machine-generated.

Heart failure with preserved ejection fraction (HFpEF) remains a significant challenge. New therapeutic strategies are urgently needed to improve patient outcomes for this complex condition.

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Area of Science:

  • Cardiology
  • Internal Medicine
  • Pharmacology

Background:

  • Heart failure with preserved ejection fraction (HFpEF) presents a complex clinical and therapeutic challenge.
  • Existing treatments for HFpEF have shown limited efficacy, highlighting the need for novel approaches.
  • Understanding the underlying pathophysiology of HFpEF is crucial for developing targeted therapies.

Discussion:

  • The heterogeneity of HFpEF necessitates personalized treatment strategies.
  • Investigating novel therapeutic targets is essential for improving HFpEF management.
  • Translational research is key to bridging the gap between basic science and clinical application.

Key Insights:

  • HFpEF pathophysiology involves multiple overlapping mechanisms.
  • Pharmacological interventions targeting specific pathways show promise.
  • Biomarkers are needed for early diagnosis and risk stratification.

Outlook:

  • Future research should focus on combination therapies for HFpEF.
  • Clinical trials are essential to validate new treatment options.
  • Improving guideline-directed medical therapy for HFpEF is a priority.