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CHAPTER 18
Hereditary Cardiomyopathies
CHAPTER OBJECTIVES
- Describe the etiology and various forms of hereditary cardiomyopathies.
- Detail symptoms associated with hereditary cardiomyopathies.
- Discuss diagnostic criteria for hereditary cardiomyopathies.
- Discuss reduced penetrance.
- Review current surveillance and treatment recommendations for hereditary cardiomyopathies.
KEY TERMS
Cardiomyopathy is any condition in which the heart muscle (myocardium) is dysfunctional. Affected individuals are at increased risk for arrhythmias and sudden cardiac death. Cardiomyopathies are categorized based on the pathological features of the heart tissue itself. They may occur secondary to other diseases or may be hereditary in nature. This chapter discusses the two most common types of hereditary cardiomyopathies: familial hypertrophic cardiomyopathy (HCM) and arrhythmogenic right ventricular dysplasia or cardiomyopathy (ARVD/C).
KEY TERMS
Cardiomyopathy: any condition in which the heart muscle (myocardium) is dysfunctional.
Myocardium: the heart muscle cells responsible for contractility of the heart.
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