Related Experiment Video
Updated: Jul 4, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Hypertrophic cardiomyopathy: etiology, diagnosis, and treatment
1Department of Internal Medicine, University of Arizona College of Medicine, Tucson, Arizona 85724, USA. drkutty2@gmail.com
Insights
Hypertrophic cardiomyopathy (HCM) is a heart muscle disease affecting 0.2% of Americans. This condition, often genetic, causes ventricle thickening and can lead to serious symptoms like sudden death.
Area of Science:
- Cardiology
- Genetics
- Internal Medicine
Background:
- Hypertrophic cardiomyopathy (HCM) is a primary left ventricular hypertrophy.
- Clinical signs include dyspnea, angina, syncope, and sudden cardiac death.
- HCM is often inherited in an autosomal-dominant pattern due to sarcomeric protein gene mutations.
Purpose of the Study:
- To provide an overview of hypertrophic cardiomyopathy.
- To discuss the prevalence and clinical manifestations of HCM.
- To highlight the challenges in managing HCM due to limited clinical exposure.
Main Methods:
- Literature review on hypertrophic cardiomyopathy.
- Analysis of epidemiological data for HCM prevalence.
- Summary of clinical presentations and genetic basis of HCM.
Main Results:
- HCM affects an estimated 0.2% of the population, nearly 600,000 Americans.
- The disease involves thickening of the heart ventricles.
- Genetic mutations are a common cause, but not always present in affected families.
Conclusions:
- Hypertrophic cardiomyopathy is a significant cardiovascular disease with diverse clinical outcomes.
- Understanding the genetic and clinical spectrum of HCM is crucial for diagnosis.
- Increased clinician awareness and education are needed for effective HCM management.
Abstract:
Hypertrophic cardiomyopathy (HCM) is a disease characterized by primary hypertrophy of the left (and sometimes right) ventricle. The clinical manifestations of the disease are dyspnea, angina, and a continuum encompassing lightheadedness, presyncope, syncope, and sudden death. Although HCM is often caused by an identifiable mutation in a gene coding for a sarcomeric protein and inherited in an autosomal-dominant pattern, many patients do not have any relatives in whom the disease is manifest. The prevalence of HCM is estimated to be 0.2%, with nearly 600,000 Americans affected. This limited exposure of clinicians to HCM understandably accounts for the uncertainty that prevails regarding this disease and its management.
Related Concept Videos
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy V: Interprofessional Care
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy IV: Restrictive Cardiomyopathy
Cardiomyopathy II: Dilated Cardiomyopathy
Pathophysiology of Heart Failure

