Table 1.
History of SCD |
Family history of premature death |
“Malignant” causal mutations |
“Malignant” modifier genes |
History of syncope |
Magnitude of left ventricular hypertrophy |
Extent of myocyte disarray |
Extent of interstitial fibrosis |
Early onset of the disease |
Myocardial ischemia on perfusion tomography |
Abnormal blood pressure response to exercise |
Presence of nonsustained VT on Holter |
HCM = hypertrophic cardiomyopathy; SCD = sudden cardiac death; VT = ventricular tachycardia.