Related Experiment Video
Updated: Mar 8, 2026
03:45
Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
4.3K
Hypertrophic cardiomyopathy
1Department of Pediatrics,Perelman School of Medicine,University of Pennsylvania,Philadelphia,Pennsylvania,United States of America.
Cardiology in the Young
|January 14, 2017
Summary
Hypertrophic cardiomyopathy (HCM) is a common inherited heart condition. While advances improve outcomes, preventing sudden cardiac death in young individuals with HCM remains a challenge.
Area of Science:
- Cardiology
- Genetics
- Pediatrics
Background:
- Hypertrophic cardiomyopathy (HCM) is a prevalent genetic heart disorder.
- It presents with varied clinical features and disease progression.
- Sudden cardiac death (SCD) is a significant concern, particularly in young individuals.
Purpose of the Study:
- To review key aspects of hypertrophic cardiomyopathy in the young.
- To discuss epidemiology, clinical presentations, and risk factors.
- To explore strategies for preventing sudden cardiac death and managing athletic participation.
Main Methods:
- Literature review and synthesis of current knowledge.
- Analysis of epidemiological data and clinical phenotypes.
- Evaluation of risk stratification and management guidelines.
Main Results:
- HCM affects young individuals with diverse clinical manifestations.
- Risk factors for adverse events, including sudden cardiac death, are identifiable.
- Advances in diagnosis and treatment have reduced adverse events but not eliminated SCD.
Conclusions:
- Comprehensive understanding of HCM in youth is crucial for effective management.
- Risk stratification and targeted prevention strategies are essential.
- Careful consideration of athletic participation is necessary for affected young individuals.
Related Concept Videos
01:29Cardiomyopathy III: Hypertrophic Cardiomyopathy
593
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...
593
01:25Cardiomyopathy I: Introduction and Classification
731
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...
731
01:30Cardiomyopathy II: Dilated Cardiomyopathy
689
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,...
689
01:29Cardiomyopathy V: Interprofessional Care
564
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...
564
01:29Heart Failure II: Pathophysiology
1.2K
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
1.2K
01:29Cardiomyopathy IV: Restrictive Cardiomyopathy
699
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...
699