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Figure 4 Suggested Risk-Stratification Scheme for ACA or SCD in LQTS Patients

Risk stratification categories for LQTS patients based on published event rates; more specific risk subsets by age group are detailed in Table 3. Kaplan-Meier (K-M) estimates are based on a series of 869 LQTS patients (52). CPR = cardiopulmonary resuscitation; TdP = torsades de pointes; other abbreviations as in Figure 2.