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Related Concept Videos

Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...

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Related Experiment Video

Updated: Jun 21, 2026

Surgical Treatment of an Endolymphatic Sac Tumor
04:34

Surgical Treatment of an Endolymphatic Sac Tumor

Published on: May 26, 2023

Extensive recurrent cardiac lipoma.

Craig M Peters1, Nishant Kalra, Vincent L Sorrell

  • 1Sarver Heart Center, Department of Cardiology, University of Arizona, Tucson, AZ, USA.

Journal of Cardiovascular Computed Tomography
|July 7, 2009
PubMed
Summary
This summary is machine-generated.

A recurrent invasive myocardial lipoma caused severe heart dysfunction and aneurysms in a 56-year-old woman. This rare cardiac tumor necessitated advanced imaging and led to the patient awaiting heart transplantation.

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Last Updated: Jun 21, 2026

Surgical Treatment of an Endolymphatic Sac Tumor
04:34

Surgical Treatment of an Endolymphatic Sac Tumor

Published on: May 26, 2023

Area of Science:

  • Cardiology
  • Oncology
  • Cardiac Surgery

Background:

  • Recurrent invasive myocardial lipoma is a rare cardiac tumor.
  • Previous surgical resection of a myocardial lipoma was performed in this patient.

Observation:

  • The patient presented with progressive dyspnea, indicating worsening cardiac function.
  • Transthoracic echocardiogram revealed severe mitral and tricuspid regurgitation and impaired biventricular systolic function.

Findings:

  • Cardiac computed tomography demonstrated extensive infiltration of the biventricular myocardium by a fat-density tumor.
  • This infiltration resulted in large aneurysms of the basal segments of both ventricles.

Implications:

  • This case highlights the aggressive nature of recurrent invasive myocardial lipomas.
  • Advanced imaging is crucial for diagnosing and characterizing such rare cardiac tumors.
  • Orthotopic heart transplantation is being considered as a treatment option for this advanced cardiac involvement.