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Updated: Jun 19, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
[Sudden unexpected death--hypertrophic cardiomyopathy--genetically verified post-mortem]
Maiken Kudahl Larsen1, Jytte Banner Lundemose, Henrik Kjaerulf Jensen
1Retsmedicinsk Institut, Aarhus Universitet, DK-8200 Arhus N. ml@retsmedicin.au.dk
Sudden cardiac death can be the first sign of hypertrophic cardiomyopathy (HCM). Autopsy and genetic testing in a young man identified a MYBPC3 mutation, aiding family screening and prevention.
Area of Science:
- Cardiology
- Genetics
- Pathology
Background:
- Hypertrophic cardiomyopathy (HCM) is a genetic heart muscle disease.
- HCM can present as sudden cardiac death, particularly in young individuals.
- Early diagnosis and intervention are crucial for managing HCM risk.
Observation:
- A case of sudden cardiac death in a 25-year-old male is presented.
- Post-mortem examination revealed previously undiagnosed left ventricular hypertrophy.
- Molecular genetic analysis identified a mutation in the myosin-binding protein C (MYBPC3) gene.
Findings:
- The MYBPC3 mutation is a known cause of HCM.
- Autopsy findings correlated with genetic results, confirming HCM as the cause of death.
- Integrated autopsy and genetic screening can identify the specific cause of sudden cardiac death.
Implications:
- Genetic screening of relatives can identify at-risk individuals for HCM.
- Early diagnosis allows for timely treatment and management strategies.
- Preventative measures can be implemented to reduce the risk of sudden cardiac death in affected families.
Related Concept Videos
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy II: Dilated Cardiomyopathy
Cardiomyopathy V: Interprofessional Care
Cardiomyopathy IV: Restrictive Cardiomyopathy

