Echocardiographic characteristics CM (n=45) NM (n=8)
Mean size (mm) 35.3±18.6 (range: 10–81) 30.3±16.9 (range: 8–50)
Location
Left atrium
36 (80)
2 (25)
Fossa ovalis
27 (75)
Mitral valve
4 (11)
1 (50)
Posterior interatrial septum
3 (8)
Free left atrial wall
1 (3)
1 (50)
Left atrial appendage
1 (3)
Right atrium
8 (18)
4 (50)
Left ventricle Aortic valve
1 (2)
1 (12) 1 (12)
Mobility
Mobile Non-mobile No data available 32 (71) 5 (11) 8 (18) 7 (88) 1 (12)
Surface
Smooth or lobulated
28 (62)
1 (12)
Villous No data available 8 (18) 9 (20) 3 (38) 4 (50)
Obstruction (present) 11 (24) 2 (25)
Mitral valve
10 (21)
1 (50)
Tricuspid valve
1 (9)
1 (50)