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Related Concept Videos

Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

826
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...
826
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

805
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...
805
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

952
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...
952
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

790
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,...
790
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

1.0K
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...
1.0K
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

753
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...
753

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Related Experiment Video

Updated: May 2, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
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[Classification of cardiomyopathy].

Masanori Asakura1, Masafumi Kitakaze1

  • 1National Cerebral and Cardiovascular Center, Department of Clinical Medicine and Development, Clinical Research Planning Office, Suita 565-8565.

Masui. the Japanese Journal of Anesthesiology
|February 25, 2014
PubMed
Summary
This summary is machine-generated.

Cardiomyopathy, a serious heart muscle disease, has varied forms and causes. Current classifications, though evolving, are crucial for understanding and managing these complex cardiovascular conditions.

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Area of Science:

  • Cardiology
  • Genetics
  • Pathophysiology

Context:

  • Cardiomyopathy encompasses diverse heart muscle diseases with significant morbidity and mortality.
  • Dilated cardiomyopathy may necessitate heart transplantation due to heart failure.
  • Hypertrophic cardiomyopathy poses risks of sudden cardiac death from arrhythmias.

Purpose:

  • To highlight the importance of classifying cardiomyopathies.
  • To address the challenges in establishing a definitive classification due to unclear etiologies.
  • To review the evolution of cardiomyopathy definitions and classifications.

Summary:

  • Cardiomyopathies are heterogeneous cardiovascular diseases with poor prognoses.
  • Existing classifications, like the 1995 WHO/ISFC task force guidelines, are often used.
  • Recent updates from major cardiovascular societies (AHA, ESC, JCS) reflect ongoing efforts to refine classification.

Impact:

  • Improved understanding of cardiomyopathy phenotypes.
  • Facilitation of more accurate clinical diagnosis and patient management.
  • Foundation for future research into cardiomyopathy causes and treatments.