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Updated: Jun 12, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Hypertrophic cardiomyopathy: the early years
1Harvard Medical School, Boston, MA, USA. ebraunwald@partners.org
Hypertrophic obstructive cardiomyopathy (HOCM) is characterized by severe left ventricular hypertrophy and potential sudden cardiac death. This review highlights the key features of HOCM, including its genetic basis and hemodynamic obstruction.
Area of Science:
- Cardiology
- Genetics
- Pathophysiology
Background:
- Hypertrophic obstructive cardiomyopathy (HOCM) is a complex cardiac condition.
- Understanding its defining features is crucial for diagnosis and management.
Observation:
- HOCM presents with severe left ventricular hypertrophy, often in the basal interventricular septum.
- Familial occurrence with autosomal dominant transmission is common.
- Sudden cardiac death, typically due to ventricular fibrillation, is a significant risk.
Findings:
- The review examines key papers recognizing HOCM's major features.
- Particular focus is placed on the labile nature of intraventricular obstruction.
- The identification of labile obstruction in 1959 completed the description of HOCM's major characteristics.
Implications:
- This comprehensive understanding aids in diagnosing and managing HOCM.
- Recognizing the lability of obstruction is key for clinical assessment.
- The golden anniversary of HOCM's description marks a milestone in cardiovascular research.
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