restrictive cardiomyopathy

An intrinsic cardiomyopathy characterized by impaired ventricular filling, with normal or decreased diastolic volume of either or both ventricles typically resulting from increased stiffness of the myocardium.

Signs and symptoms

• Left ventricular hypertrophy
• Ventriculomegaly
• Sudden cardiac death
• Left atrial enlargement

Also known as: Cardiomyopathy, constrictive; primary restrictive cardiomyopathy