A comparison between radial strain evaluation by speckle-tracking echocardiography and cardiac magnetic resonance imaging, for assessment of suitable segments for left ventricular lead placement in cardiac resynchronization therapy

Abstract

Speckle tracking radial strain should ideally be complemented by CMR for accurate assessment of viability, especially for patients with ischaemic aetiology of heart failure where transmural scar is more common. Comparison of strain values with the adjacent segments may be helpful for assessing viability.