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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...
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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...
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...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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 26, 2026

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice
09:40

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice

Published on: May 13, 2019

[Cardiac insufficiency: acute right heart failure].

Wolfgang A Wetsch, Tim Lahm, Jochen Hinkelbein

    Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS
    |December 8, 2011
    PubMed
    Summary

    Acute right heart failure (RHF) is a severe complication in intensive care units (ICUs), often challenging to diagnose and treat. This review covers RHF causes, diagnosis, and current therapeutic options for critical care providers.

    More Related Videos

    Induction and Phenotyping of Acute Right Heart Failure in a Large Animal Model of Chronic Thromboembolic Pulmonary Hypertension
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    Induction and Phenotyping of Acute Right Heart Failure in a Large Animal Model of Chronic Thromboembolic Pulmonary Hypertension

    Published on: March 17, 2022

    Related Experiment Videos

    Last Updated: May 26, 2026

    Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice
    09:40

    Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice

    Published on: May 13, 2019

    Induction and Phenotyping of Acute Right Heart Failure in a Large Animal Model of Chronic Thromboembolic Pulmonary Hypertension
    07:41

    Induction and Phenotyping of Acute Right Heart Failure in a Large Animal Model of Chronic Thromboembolic Pulmonary Hypertension

    Published on: March 17, 2022

    Area of Science:

    • Cardiology
    • Critical Care Medicine
    • Pulmonology

    Context:

    • Acute right heart failure (RHF) is a frequent and severe complication in intensive care units (ICUs).
    • Common causes include pulmonary hypertension, left heart failure, pulmonary embolism, sepsis, and acute lung injury.
    • RHF significantly impacts patient morbidity, mortality, and treatment outcomes in critically ill patients.

    Purpose:

    • To provide an overview of the etiology and pathogenesis of acute RHF.
    • To review current diagnostic challenges and interventions for RHF.
    • To summarize available therapeutic strategies for providers in anesthesiology and critical care.

    Summary:

    • Acute RHF is a critical condition in ICUs with diverse causes and significant consequences.
    • Diagnosis of RHF is often challenging due to understudied right ventricular physiology.
    • This article reviews RHF's causes, diagnostic approaches, and therapeutic interventions, highlighting the lack of randomized trials.

    Impact:

    • Improves understanding of RHF's complex role in critical care settings.
    • Aids clinicians in diagnosing and managing acute RHF more effectively.
    • Highlights areas for future research, particularly the need for randomized trials in RHF treatment.