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Related Concept Videos

Heart Failure I: Introduction01:27

Heart Failure I: Introduction

1.2K
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...
1.2K
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

4.6K
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...
4.6K
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

585
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...
585
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

1.4K
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...
1.4K
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

705
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,...
705
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

851
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...
851

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Related Experiment Video

Updated: Mar 29, 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.

Cardiac Electrophysiology Clinics
|November 25, 2015
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 of life and survival rates.

Keywords:
ACE inhibitorsEjection fractionHFrEFHeart failureNeurohormonal blockadeTreatmentβ-Blockers

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Area of Science:

  • Cardiology
  • Internal Medicine
  • Public Health

Background:

  • Heart failure (HF) affects over 20 million people globally.
  • The aging population is increasing HF prevalence and healthcare costs.
  • Recent advances enhance quality of life and survival for HF patients.

Purpose of the Study:

  • To review the current understanding of heart failure pathophysiology, causes, and classification.
  • To summarize current evidence-based treatments for heart failure.
  • To identify areas for future research in heart failure.

Main Methods:

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

Main Results:

  • Heart failure pathophysiology is complex and multifactorial.
  • Effective treatments can significantly improve patient outcomes.
  • Significant knowledge gaps remain, requiring further investigation.

Conclusions:

  • Understanding HF pathophysiology is key to effective management.
  • Multidisciplinary approaches improve HF patient care.
  • Future research should focus on personalized medicine and novel therapies.