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Related Concept Videos

Heart Failure I: Introduction01:27

Heart Failure I: Introduction

1.1K
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...
1.1K
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

4.3K
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...
4.3K
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

1.2K
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...
1.2K
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

510
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...
510
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

625
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,...
625
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

759
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...
759

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Related Experiment Video

Updated: Mar 11, 2026

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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Understanding Heart Failure.

Jeremy A Mazurek1, Mariell Jessup1

  • 1Cardiovascular Division, Department of Medicine, University of Pennsylvania Perelman School of Medicine, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA.

Heart Failure Clinics
|November 26, 2016
PubMed
Summary
This summary is machine-generated.

Heart failure (HF) is a global health issue affecting millions. Advances in understanding HF pathophysiology and treatment improve patient quality and quantity of life, with future research needed.

Keywords:
ACE inhibitorsEjection fractionHFrEFHeart failureNeurohormonal blockadeTreatmentβ-Blockers

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Area of Science:

  • Cardiology
  • Public Health

Background:

  • Heart failure (HF) affects over 20 million worldwide, posing a growing global health concern.
  • The aging population, particularly those over 65, is projected to significantly increase HF prevalence and healthcare costs.
  • Recent advancements have improved both survival rates and quality of life for individuals with HF.

Purpose of the Study:

  • To review the current understanding of heart failure (HF).
  • To discuss the pathophysiology, causes, classification, and treatment of HF.
  • To identify areas requiring further research in HF.

Main Methods:

  • Literature review of current research on heart failure.
  • Synthesis of information on HF pathophysiology, etiology, and classification.
  • Analysis of established and emerging HF treatment strategies.

Main Results:

  • HF is a significant and increasing global health burden, particularly in aging populations.
  • Improved understanding of HF pathophysiology has led to better treatment outcomes.
  • Current treatments can enhance both the quantity and quality of life for HF patients.

Conclusions:

  • HF management has advanced, improving patient prognoses.
  • Continued research is crucial to address remaining uncertainties in HF.
  • Future studies should focus on refining treatments and understanding HF complexities.