Transthoracic evidence of preserved mitral valve chordae after mitral valve replacement (bioprotsthesis) surgery.
Use Color Doppler to help measure the LV outflow tract diameter
Transthoracic and chest X-Ray evidence of massive left atrial dilatation in mitral valve disease (previous valvuloplasty)
The different 2D measurements of the aortic arch
Transesopahgeal intra-operative 3D imaging of globular left atrial appendage thrombus