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Related Concept Videos

Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

691
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
691
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

608
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
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Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

948
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
948
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

1.3K
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
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.8K
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...
1.8K
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

565
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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Related Experiment Video

Updated: May 6, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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Severe mitral regurgitation after radiotherapy.

Alberto Cozzarín1, Tomás F Cianciulli, María C Saccheri

  • 1Department of Cardiology, Hospital of the Government of the City of Buenos Aires "Dr. Cosme Argerich", Buenos Aires, Argentina.

Echocardiography (Mount Kisco, N.Y.)
|October 24, 2013
PubMed
Summary

Long-term survivors of radiotherapy may develop heart failure due to radiation-induced mitral valve damage. Echocardiography is crucial for diagnosing this rare complication in patients with a history of cancer treatment.

Keywords:
echocardiographyradiotherapysevere mitral regurgitation

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Area of Science:

  • Cardiology
  • Oncology
  • Radiotherapy

Background:

  • A 69-year-old female patient with a history of gynecological neoplasia and pulmonary metastasis received chemotherapy and mediastinal radiotherapy in 1996, achieving remission.
  • Ten years post-treatment, she developed heart failure attributed to severe mitral regurgitation and pulmonary hypertension, identified via Doppler echocardiography.

Observation:

  • The patient underwent mitral valve replacement in 2011, with pathological examination revealing valve damage characteristic of radiotherapy-induced changes.
  • This case highlights an uncommon cause of mitral regurgitation stemming from prior radiation therapy.

Findings:

  • Echocardiography effectively demonstrated the radiotherapy-induced mitral valve damage and resulting regurgitation.
  • Pathological analysis confirmed the link between the patient's prior radiation treatment and the observed cardiac pathology.

Implications:

  • Cardiologists and physicians treating long-term cancer survivors must be aware of potential cardiac complications, including radiation-induced valvular disease.
  • Early detection through echocardiography is vital for managing heart failure in patients with a history of thoracic radiotherapy.
  • This case underscores the importance of long-term cardiac surveillance in cancer survivors exposed to mediastinal radiotherapy.