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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 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...
Pulmonary Edema II: Pathophysiology01:18

Pulmonary Edema II: Pathophysiology

Pulmonary edema is the accumulation of fluid in the interstitial and alveolar spaces of the lungs, impairing gas exchange and oxygen delivery. It may be cardiogenic or noncardiogenic, but both reduce oxygenation and lung compliance.Cardiogenic Pulmonary EdemaCardiogenic edema results from increased hydrostatic pressure in pulmonary capillaries, usually due to left ventricular dysfunction from myocardial infarction, heart failure, or valvular disease. Ineffective cardiac pumping causes blood to...
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 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,...

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Related Experiment Video

Updated: May 14, 2026

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats
07:41

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats

Published on: March 1, 2022

Lungs in heart failure.

Anna Apostolo1, Giuliano Giusti, Paola Gargiulo

  • 1Centro Cardiologico Monzino, IRCCS, 20138 Milan, Italy.

Pulmonary Medicine
|February 1, 2013
PubMed
Summary

Chronic heart failure patients often experience lung function abnormalities, impacting exercise capacity and prognosis. Evaluating pulmonary function is crucial for managing heart failure and improving patient outcomes.

Area of Science:

  • Cardiology
  • Pulmonology
  • Exercise Physiology

Background:

  • Lung function abnormalities are common in chronic heart failure patients, even without primary respiratory disease.
  • These abnormalities include restrictive respiratory patterns and impaired alveolar-capillary gas diffusion, linked to heart enlargement and fluid accumulation.
  • Reduced gas diffusion worsens exercise intolerance and prognosis in heart failure.

Purpose of the Study:

  • To describe pulmonary abnormalities at rest and during exercise in heart failure patients.
  • To highlight diagnostic tools for lung function evaluation in this population.
  • To discuss pharmacological interventions and prognostic parameters related to pulmonary function.

Main Methods:

  • Review of literature on pulmonary abnormalities in heart failure.

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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

Related Experiment Videos

Last Updated: May 14, 2026

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats
07:41

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats

Published on: March 1, 2022

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
08:34

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

  • Emphasis on the role of cardiopulmonary exercise testing (CPET) as a diagnostic standard.
  • Analysis of ventilatory efficiency, specifically the VE/VCO(2) slope, as a prognostic marker.

    • Main Results:

    • Heart failure is associated with restrictive lung patterns and impaired gas diffusion, affecting exercise capacity.
    • Cardiopulmonary exercise testing reveals hyperventilation and reduced ventilatory efficiency (increased VE/VCO(2) slope) during exercise.
    • Ventilatory efficiency serves as a significant prognostic and stratification marker in heart failure.

    Conclusions:

    • Pulmonary abnormalities are integral to the pathophysiology and clinical presentation of heart failure.
    • Accurate assessment of lung function using tools like CPET is vital for prognosis and management.
    • Understanding these pulmonary changes aids in identifying therapeutic targets and improving patient outcomes.