title: Real-time two-dimensional Doppler echocardiographic flow mapping.
mesh_terms: D001783:Blood Flow Velocity; D002306:Cardiac Volume; D004452:Echocardiography / Q000295:instrumentation / Q000379:methods*; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis; D006349:Heart Valve Diseases / Q000175:diagnosis; D006801:Humans; D013997:Time Factors