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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,...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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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Related Experiment Video

Updated: Jun 28, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
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Restrictive cardiomyopathy in a child.

Shan-Miao Lin1, Haw-Kwei Hwang, Ming-Ren Chen

  • 1Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan.

Pediatrics and Neonatology
|October 25, 2008
PubMed
Summary

Restrictive cardiomyopathy is a rare heart condition in children. This case highlights a typical presentation in an 18-month-old, emphasizing the need for timely diagnosis and management.

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Research

Background:

  • Restrictive cardiomyopathy (RCM) is uncommon in pediatric populations and often associated with a grim prognosis.
  • Early identification and intervention are crucial for improving outcomes in affected children.

Observation:

  • An 18-month-old female presented with poor feeding and abdominal distension.
  • Physical examination revealed hepatomegaly, with normal ventricular size but significant biatrial enlargement on imaging.
  • Gastrointestinal evaluation showed no other abnormalities beyond the enlarged liver.

Findings:

  • Echocardiography indicated preserved systolic function but notably impaired diastolic function.
  • Cardiac catheterization confirmed a characteristic 'dip-and-plateau' pressure waveform in the right ventricle.

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  • These findings were consistent with a diagnosis of typical restrictive cardiomyopathy.

    • Implications:

    • This case underscores the importance of considering RCM in young children with unexplained gastrointestinal symptoms and cardiac findings.
    • Management involved aspirin therapy while the patient was listed for a potential cardiac transplant.
    • Further research into pediatric RCM is warranted to improve diagnostic strategies and therapeutic options.