Mechanical Dyssynchrony in Children with Systolic Dysfunction Secondary to Cardiomyopathy: A Doppler Tissue and Vector Velocity Imaging Study

Children with systolic dysfunction secondary to cardiomyopathy have mechanical dyssynchrony, unrelated to electrical dyssynchrony, which can be measured by recent echocardiographic techniques including DTI and VVI. Children with cardiomyopathy and mechanical dyssynchrony are potential candidates for cardiac resynchronization therapy.