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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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Regulation of Stroke Volume01:27

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
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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...
1.2K
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...
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Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

629
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,...
629
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

496
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
496

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Related Experiment Video

Updated: Mar 13, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
09:20

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Factors Affecting Volume Load Management in Patients With Heart Failure: A Path Analysis Using a Multimediation

Qiuping Wu1, Haoyu Pei2, Limin Zhang1

  • 1Department of Cardiology, Xinqiao Hospital and The Second Affiliated Hospital of Army Medical University, Chongqing, China.

Heart, Lung & Circulation
|March 11, 2026
PubMed
Summary
This summary is machine-generated.

Psychosocial factors like self-care, cognition, and social support significantly impact volume overload in heart failure (HF) patients. Improving these areas is key to better HF management and prognosis.

Keywords:
Cognitive impairmentHeart failureSelf-careSelf-efficacySocial supportVolume load

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Area of Science:

  • Cardiology
  • Psychology
  • Public Health

Background:

  • Effective management of volume overload is crucial for improving heart failure (HF) prognosis.
  • Psychosocial and behavioral factors significantly influence fluid balance in HF patients.
  • Limited studies explore the direct link between these factors and volume overload in HF.

Purpose of the Study:

  • To model the direct and indirect influences of psychosocial factors on volume overload in HF patients.
  • To identify key behavioral and social determinants for targeted volume management interventions.
  • To enhance understanding of the multifactorial nature of volume overload in heart failure.

Main Methods:

  • A cross-sectional study of 233 hospitalized HF patients in Chongqing, China.
  • Volume status assessed via bioelectrical impedance analysis.
  • Psychosocial variables measured using validated scales (e.g., Lubben Social Network Scale, Mini-Cog, General Self-Efficacy Scale).

Main Results:

  • 71% of HF patients experienced volume overload.
  • Direct negative associations found between volume overload and self-care maintenance, cognition, and self-efficacy.
  • Indirect negative effects linked volume overload to social support, self-care confidence, and consideration of future outcomes.

Conclusions:

  • Social support, cognitive function, self-efficacy, future outlook, and self-care capacity are significant contributors to volume overload vulnerability in HF.
  • Multifaceted interventions targeting these psychosocial factors are necessary for improving HF patient prognosis.
  • Findings highlight the importance of a holistic approach to managing volume overload in heart failure.