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Related Concept Videos

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...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
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 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...

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Related Experiment Video

Updated: May 12, 2026

The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia
08:55

The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia

Published on: November 30, 2016

Heart failure-induced cachexia.

Marina Politi Okoshi1, Fernando G Romeiro, Sergio A R Paiva

  • 1Departamento de Clínica Médica, Faculdade de Medicina de Botucatu – Unesp, Botucatu, SP – Brazil. mpoliti@fmb.unesp.br

Arquivos Brasileiros De Cardiologia
|April 10, 2013
PubMed
Summary
This summary is machine-generated.

Heart failure patients frequently develop cachexia, a condition causing significant weight loss. Current management focuses on supportive care, with new therapies under investigation.

Related Experiment Videos

Last Updated: May 12, 2026

The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia
08:55

The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia

Published on: November 30, 2016

Area of Science:

  • Cardiology
  • Metabolic Disorders

Background:

  • Heart failure (HF) is frequently associated with cachexia, a complex syndrome characterized by involuntary weight loss.
  • Cachexia in HF independently predicts reduced survival rates.
  • Diagnosis involves >6% body weight loss without other apparent causes.

Purpose of the Study:

  • To review the pathophysiology and management of heart failure-induced cachexia.
  • To highlight the need for specific therapeutic strategies.

Main Methods:

  • Literature review of pathophysiology, diagnosis, and management of HF-associated cachexia.
  • Discussion of current and emerging therapeutic approaches.

Main Results:

  • Cachexia pathophysiology involves reduced food intake, GI abnormalities, immune and neuro-hormonal activation, and altered anabolic/catabolic balance.
  • Current management includes nutritional support, neuro-hormonal blockade, edema/anemia control, and exercise.
  • Investigational drugs with anabolic and immunomodulating properties are being evaluated.

Conclusions:

  • Heart failure cachexia is a critical factor impacting patient survival.
  • Multifaceted management strategies are essential.
  • Further research into targeted therapies is ongoing.