Familial causes of sudden death
| Clinical utility in screening | |||
|---|---|---|---|
| ECG | Echo | Genotype | |
| Scoring ranges from − (no help) through ±, +, ++, +++ (very helpful). See text for details. | |||
| Structural abnormalities | |||
| Hypertrophic cardiomyopathy | + | +++ | + |
| Dilated cardiomyopathy | + | +++ | − |
| Marfan syndrome | − | +++ | − |
| Arrhythmogenic right ventricular cardiomyopathy | − | + | − |
| Primary electrical abnormalities | |||
| Long QT syndrome | ++ | − | +++ |
| Catecholaminergic polymorphic ventricular tachycardia | ± | − | + |
| Brugada syndrome | ± | − | + |