From: Coronary sinus atrial septal defects in adults over the past 20 years at new Tokyo hospital: case series
Measurement
Case 3
Case 4
Case 5
Defect diameter max x min [mm]
25.3 × 15.6
29.2 × 19.9
18.5 × 12.3
Distance from CS orifice [mm]
8.9
4.0
4.5
Distance from MV annulus [mm]
3.0
5.0