From: Transesophageal echocardiography measurements of aortic annulus diameter using biplane mode in patients undergoing transcatheter aortic valve implantation
Modality
Aortic annulus diameter (mm)
2DTTE
20.4±2.2*
2DTEE
22.3±2.5
BP-mode
22.9±1.9
3DTEE
23.1±1.9