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Anatomy of the Heart01:27

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The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Rheumatic Heart Disease I: Introduction01:23

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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Ischemic Heart Disease: Overview01:17

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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Rheumatic Heart Disease III: Medical Management01:21

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Rheumatic heart disease (RHD) management can be divided into two main strategies: prevention and long-term management.Primary PreventionPrimary prevention focuses on timely diagnosis and management of group A streptococcal pharyngitis to prevent acute rheumatic fever. The most widely used antibiotic for treating this condition is intramuscular benzathine penicillin G.Acute Rheumatic Fever TreatmentThe primary treatment goal for a patient diagnosed with acute rheumatic fever is to suppress the...
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Rheumatic Heart Disease IV: Nursing Management01:20

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AssessmentA comprehensive assessment is essential in managing a patient with rheumatic heart disease (RHD). Begin with obtaining a detailed medical history, including recent streptococcal infections, a history of rheumatic fever, or previously diagnosed rheumatic heart disease. Assess the patient for symptoms such as fever, chest pain, widespread joint pain (arthralgia), tachycardia, pericardial friction rub, muffled heart sounds, heart murmurs, peripheral edema, subcutaneous nodules, and...
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Related Experiment Video

Updated: Feb 5, 2026

Reduction in Left Ventricular Wall Stress and Improvement in Function in Failing Hearts using Algisyl-LVR
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Reduction in Left Ventricular Wall Stress and Improvement in Function in Failing Hearts using Algisyl-LVR

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Right Ventricular Function in Left Heart Disease.

J Mauricio Del Rio1, Loreta Grecu1, Alina Nicoara1

  • 11 Divisions of Cardiothoracic Anesthesiology & Critical Care Medicine, Department of Anesthesiology, Duke University School of Medicine / Duke University Medical Center, Durham, NC, USA.

Seminars in Cardiothoracic and Vascular Anesthesia
|September 20, 2018
PubMed
Summary
This summary is machine-generated.

Right ventricular (RV) dysfunction impacts cardiac surgery outcomes. Mitral valve disease increases RV dysfunction risk, yet RV function is overlooked in patient assessment and risk stratification.

Keywords:
mitral regurgitationmitral stenosismitral valve diseasemitral valve surgerypulmonary hypertensionright ventricular dysfunctionright ventricular failureventricular interdependenceventricular remodeling

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Cardiovascular Physiology

Background:

  • Right ventricular (RV) function is a key prognostic indicator in cardiac surgery.
  • Mitral valve (MV) disease significantly elevates the risk of RV dysfunction, both pre- and post-operatively.
  • Current clinical decision-making and risk stratification for MV disease often neglect RV function.

Purpose of the Study:

  • To review the pathophysiology and prognostic implications of RV dysfunction in patients with MV disease during the perioperative period.
  • To explore mechanisms beyond pulmonary hypertension (PHTN) through which MV disease affects RV performance.
  • To highlight the independent prognostic significance of both RV dysfunction and PHTN.

Main Methods:

  • Literature review focusing on RV function, MV disease, and perioperative outcomes.
  • Analysis of existing research on the interplay between MV disease, PHTN, and RV performance.
  • Exploration of the unique anatomical and functional characteristics of the RV.

Main Results:

  • Pulmonary hypertension (PHTN) is a known consequence of MV disease impacting RV function.
  • Emerging evidence suggests PHTN may not be the sole or primary driver of RV dysfunction in this context.
  • Both RV dysfunction and PHTN possess independent prognostic value.

Conclusions:

  • RV dysfunction is a critical, yet often underappreciated, factor in patients with MV disease undergoing surgery.
  • A comprehensive understanding of RV function is crucial for accurate risk stratification and improved patient outcomes.
  • Further research into non-PHTN mechanisms affecting RV performance in MV disease is warranted.