obsolete dilated cardiomyopathy 3B

A dilated cardiomyopathy that has_material_basis_in mutation in the gene encoding dystrophin (DMD) on chromosome Xp21.

Signs and symptoms

• Elevated circulating CK-MB concentration
• Increased left ventricular end-diastolic volume
• Dilated cardiomyopathy
• Increased variability in muscle fiber diameter