Table 2 Differentiation between physiologic and pathologic LV hypertrophy in the athlete, based on clinical ECG, Echocardiography and Cardiac Magnetic Resonance. |
|
AH |
|
HCM |
| No family history of HCM |
+ |
- |
| Atypical symptoms |
- |
- |
| Race, age, type of sports |
- |
+ |
| ECG criteria for LV hypertrophy |
- |
+ |
| Deep T wave inversion on ECG |
- |
+ |
| Septal hypertrophy (>13mm) |
Gray area |
| Apical hypertrophy (>15mm) |
- |
+ |
| LV end-diastolic diameter (45-55mm) |
Gray area |
| No LVOT obstruction |
- |
- |
| LV diastolic dysfunction |
- |
+ |
| Impaired longitudinal strain |
- |
+ |
| Delay enhancement at CMRI |
- |
- |
| Peak VO2 consumption |
Gray area |
| SCORE |
1 (+3) |
6 (+3) |
|
For details see text. CMRI, Cardiac magnetic resonance imaging |
HCM, hypertrophic cardiomyopathy |
LVOT, LV outflow tract obstruction. (+) Present / confirmed |
|