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Related Concept Videos

Heart Failure I: Introduction01:27

Heart Failure I: Introduction

1.5K
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...
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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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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...
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Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

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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 Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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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...
1.3K
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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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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Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

1.7K
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

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Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding
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Right heart failure: toward a common language.

Mandeep R Mehra1, Myung H Park2, Michael J Landzberg1

  • 1Brigham and Women's Hospital Heart and Vascular Center and Harvard Medical School, Boston, Massachusetts, USA.

Pulmonary Circulation
|July 10, 2014
PubMed
Summary
This summary is machine-generated.

This guideline establishes a common language for right heart failure, proposing fundamental definitions for its components and a universal definition for the condition. This aims to standardize research and education on right heart diseases.

Keywords:
anatomyclassificationetiologyphysiologypulmonary circulationpulmonary hypertensionright heart failureright ventricle

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Area of Science:

  • Cardiology
  • Cardiovascular Physiology

Background:

  • Right heart failure is a complex syndrome with varied terminology.
  • Lack of standardized definitions hinders research and clinical understanding.

Purpose of the Study:

  • To develop a common language for describing right heart development and defects.
  • To establish consensus on a universal definition of right heart failure.
  • To create a uniform nomenclature for right heart circulatory failure.

Main Methods:

  • A working group from the International Right Heart Foundation convened.
  • Fundamental definitions of right heart circulation components were proposed.
  • Consensus was reached on a universal definition for right heart failure.

Main Results:

  • Proposed fundamental definitions for right heart circulation components.
  • Established a consensus universal definition for right heart failure.
  • Laying the groundwork for a uniform nomenclature for right heart circulatory failure.

Conclusions:

  • Standardized definitions are crucial for advancing right heart failure research.
  • A common language will foster collaborative research and education.
  • This initiative aims to improve insight into unique right heart disease mechanisms.