Table 1.
Clinical features and risk factors.
| Clinical features and risk factors | N (%) |
|---|---|
| Age (years) | 42 ± 16 |
| Male | 65 (74%) |
| Functional class NYHA I–II | 80 (91%) |
| Family history of SCD | 31 (25%) |
| Cardiac arrest or SVT | 3 (3%) |
| NSVT | 25 (28%) |
| Loss of consciousness | 1 (1%) |
| Abnormal BP response during exercise | 3 (3%) |
| Familial history of HCM | 9 (10%) |
| High-risk genetic mutation | 2 (2%) |
| LVT max > 30 mm | 8 (11%) |
| LVOTO | 14 (16%) |
SVT sustained ventricular tachycardia, SCD: Sudden Cardiac Death secondary to HCM, NSTV: nonsustaintained ventricular tachycardia at 24-hour tape, BP: Blood Pressure, HCM Hypertrophic Cardiomyopathy, LVT max > 30 mm: Left Ventricular Thickness > 30 mm at cardiac USS.