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Related Concept Videos

Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

45
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...
45
Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

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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...
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Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

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

Heart Failure IV: Classification and Diagnostic Evaluation

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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...
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Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

280
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
280
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

23
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...
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Mexican guidelines 2024 for the diagnosis and treatment of hypertrophic cardiomyopathy.

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Related Experiment Video

Updated: Sep 6, 2025

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
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Hypertrophic cardiomyopathy. Proposal for a new classification.

Guillermo A Llamas-Esperón1, Guillermo Llamas-Delgado2

  • 1Leadership of the Department of Interventional Cardiology.

Archivos De Cardiologia De Mexico
|June 30, 2022
PubMed
Summary

Hypertrophic cardiomyopathy (HCM) has been known by over 75 names due to its complex nature. This study reviews HCM nomenclature and proposes a new classification for better diagnosis and treatment.

Keywords:
CardiomyopathiesClasificaciónClassificationHypertrophic cardiomyopathyMiocardiopatía hipertróficaMiocardiopatías

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Area of Science:

  • Cardiology
  • Genetics
  • Pathology

Background:

  • Hypertrophic cardiomyopathy (HCM) presents significant diagnostic and therapeutic challenges due to its heterogeneous morphology and function.
  • The condition has historically been known by over 75 different names, complicating consistent understanding and management.
  • Echocardiographic classification of HCM has been difficult for over 40 years.

Purpose of the Study:

  • To review the historical nomenclature of hypertrophic cardiomyopathy.
  • To propose a novel classification system for HCM.
  • To enhance clinical and surgical cardiologists' understanding of HCM's diverse aspects.

Main Methods:

  • Comprehensive literature review of HCM nomenclature and classification systems.
  • Analysis of morphological and functional heterogeneity in HCM.
  • Development of a proposed new classification framework.

Main Results:

  • Identified over 75 historical names for hypertrophic cardiomyopathy.
  • Highlighted the persistent challenges in diagnosing and classifying HCM.
  • Proposed a new classification aimed at improving clinical and surgical management.

Conclusions:

  • A unified and practical classification is crucial for understanding HCM's clinical behavior and prognosis.
  • The proposed classification aims to simplify the approach to HCM diagnosis and treatment.
  • Standardizing HCM terminology and classification will benefit patient care and research.