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1.

Primary dilated cardiomyopathy

Familial dilated cardiomyopathy is a genetic form of heart disease. It occurs when heart (cardiac) muscle becomes thin and weakened in at least one chamber of the heart, causing the open area of the chamber to become enlarged (dilated). As a result, the heart is unable to pump blood as efficiently as usual. To compensate, the heart attempts to increase the amount of blood being pumped through the heart, leading to further thinning and weakening of the cardiac muscle. Over time, this condition results in heart failure.\n\nIt usually takes many years for symptoms of familial dilated cardiomyopathy to cause health problems. They typically begin in mid-adulthood, but can occur at any time from infancy to late adulthood. Signs and symptoms of familial dilated cardiomyopathy can include an irregular heartbeat (arrhythmia), shortness of breath (dyspnea), extreme tiredness (fatigue), fainting episodes (syncope), and swelling of the legs and feet. In some cases, the first sign of the disorder is sudden cardiac death. The severity of the condition varies among affected individuals, even in members of the same family. [from MedlinePlus Genetics]

MedGen UID:
2880
Concept ID:
C0007193
Disease or Syndrome
2.

Arrhythmogenic right ventricular cardiomyopathy

Arrhythmogenic right ventricular cardiomyopathy (ARVC) – previously referred to as arrhythmogenic right ventricular dysplasia (ARVD) – is characterized by progressive fibrofatty replacement of the myocardium that predisposes to ventricular tachycardia and sudden death in young individuals and athletes. It primarily affects the right ventricle, and it may also involve the left ventricle. The presentation of disease is highly variable even within families, and some affected individuals may not meet established clinical criteria. The mean age at diagnosis is 31 years (±13; range: 4-64 years). [from GeneReviews]

MedGen UID:
87618
Concept ID:
C0349788
Congenital Abnormality; Disease or Syndrome
3.

Dilated cardiomyopathy 1BB

Dilated cardiomyopathy-1BB (CMD1BB) is a life-threatening, intractable disease characterized by ventricular dilation and thinning (Shiba et al., 2021). For a phenotypic description and a discussion of genetic heterogeneity of dilated cardiomyopathy, see CMD1A (115200). [from OMIM]

MedGen UID:
414552
Concept ID:
C2752072
Disease or Syndrome
4.

Arrhythmogenic right ventricular dysplasia 10

Arrhythmogenic right ventricular cardiomyopathy (ARVC) – previously referred to as arrhythmogenic right ventricular dysplasia (ARVD) – is characterized by progressive fibrofatty replacement of the myocardium that predisposes to ventricular tachycardia and sudden death in young individuals and athletes. It primarily affects the right ventricle, and it may also involve the left ventricle. The presentation of disease is highly variable even within families, and some affected individuals may not meet established clinical criteria. The mean age at diagnosis is 31 years (±13; range: 4-64 years). [from GeneReviews]

MedGen UID:
347543
Concept ID:
C1857777
Disease or Syndrome
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