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Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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...
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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...
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

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...
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

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,...
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

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

Heart Failure IV: Classification and Diagnostic Evaluation

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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Related Experiment Video

Updated: Jul 4, 2026

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
05:16

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure

Published on: June 10, 2025

Neighborhood-Level Socially Determined Vulnerabilities and Outcomes After Heart Failure Hospitalization.

Nickpreet Singh1, Jennifer D Lau1, Joanna Bryan1

  • 1Department of Medicine New York-Presbyterian/Weill Cornell Medical Center New York NY USA.

Journal of the American Heart Association
|July 3, 2026
PubMed
Summary

Neighborhoods with more unhealthy food options are linked to worse outcomes for older adults after heart failure hospitalization. Interventions addressing food access may improve recovery for heart failure patients.

Keywords:
heart failure outcomesneighborhood environmentsocial determinants of healthunhealthy food

Related Experiment Videos

Last Updated: Jul 4, 2026

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
05:16

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure

Published on: June 10, 2025

Area of Science:

  • Gerontology
  • Public Health
  • Cardiology

Background:

  • Older adults experience poor outcomes post-heart failure hospitalization.
  • Neighborhood social vulnerabilities are understudied contributors to heart failure outcomes.
  • Focus on environmental factors like food access is crucial.

Purpose of the Study:

  • To examine associations between neighborhood social vulnerabilities and heart failure hospitalization outcomes.
  • Investigate the impact of clinical treatment, physical activity, and unhealthy food facility density.
  • Determine if neighborhood environment influences post-discharge recovery in older adults.

Main Methods:

  • Analysis of 366 Medicare beneficiaries (≥65 years) from the REGARDS cohort study.
  • Examined participants discharged home after heart failure hospitalization (2003-2017).
  • Assessed density of facilities within 1km of home; primary outcomes were 90-day and 6-month mortality or readmission.

Main Results:

  • High density of unhealthy food sources correlated with a 6-month composite of mortality/hospitalization (aHR=1.47).
  • This association was primarily driven by increased readmissions (aHR=1.52).
  • No significant associations found for clinical treatment or physical activity facility density.

Conclusions:

  • Higher density of unhealthy food sources in urban neighborhoods is linked to poorer outcomes post-heart failure hospitalization.
  • Neighborhood-level interventions targeting food environment may improve heart failure patient recovery.
  • Addressing social determinants of health is vital for heart failure management.