Table 3 Morphology and late gadolinium enhancement in the 11 HCM patients

LV morphology & risk factors

 Asymmetrical septal hypertrophy n (%)

10 (91%)

 Anterior hypertrophy n (%)

1 (9%)

 LV outflow tract obstruction at rest n (%)

6 (55%)

 Number of risk factors for sudden death: median (range)

0 (0-2)

Presence of late gadolinium enhancement

11 (100%)

Extent of late gadolinium enhancement (% of LV mass)

9.1 ± 3.6%

Location of gadolinium enhancement:

 Septum

10 (91%)

 Anterior

4 (36%)

 Inferior

2 (18%)

 Lateral

4 (36%)

> 1 region

8 (73%)