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Related Concept Videos

Mitral Regurgitation I: Introduction01:20

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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...
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Heart Failure III: Clinical Manifestations01:26

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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...
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Mitral Stenosis I: Introduction01:22

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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...
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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
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Heart Failure II: Pathophysiology01:29

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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...
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Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
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Related Experiment Video

Updated: Dec 26, 2025

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

Barbara Leeper1

  • 1Barbara Leeper is Clinical Nurse Specialist, Cardiovascular Services, Baylor University Medical Center, 3500 Gaston Avenue, Dallas, TX 75252 (Bobbi.Leeper@BSWHealth.org).

AACN Advanced Critical Care
|March 14, 2020
PubMed
Summary
This summary is machine-generated.

Right ventricular dysfunction predicts mortality in heart failure. This review covers normal right ventricle function, causes of dysfunction, diagnostic methods, and critical care management strategies.

Keywords:
heart failuremyocardial infarctionpulmonary hypertensionright ventricular dysfunction

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Area of Science:

  • Cardiology
  • Critical Care Medicine

Background:

  • Growing interest in the right ventricle (RV) due to pulmonary hypertension treatment advances.
  • Increased use of mechanical circulatory assist devices impacts RV function.
  • RV dysfunction is a key predictor of mortality in chronic heart failure patients.

Purpose of the Study:

  • To detail normal RV structure and function.
  • To outline causes of RV dysfunction and failure.
  • To describe diagnostic hemodynamic assessments and critical care management of RV failure.

Main Methods:

  • Literature review of RV structure, function, and failure.
  • Discussion of diagnostic hemodynamic assessments.
  • Overview of critical care management strategies.

Main Results:

  • RV dysfunction is a significant predictor of mortality.
  • Comprehensive understanding of RV function is crucial for patient outcomes.
  • Effective management strategies are essential in critical care settings.

Conclusions:

  • RV dysfunction requires careful monitoring and management.
  • Advances in diagnostics and treatment necessitate a thorough understanding of the RV.
  • Optimal critical care management can improve outcomes for patients with RV failure.