Tissue Velocity Imaging with Dobutamine Stress Echocardiography-A Quantitative Technique for Identification of Coronary Artery Disease in Patients with Left Bundle Branch Block

Tissue Doppler echocardiography with dobutamine stress allows a diagnostic benefit in the detection of CAD in patients with LBBB. The magnitude of change of PSV and Ve in addition to PSS are quantitative parameters to identify CAD in patients with LBBB where subjective wall-motion analysis failed.