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Figure 2 Electrophysiologically guided therapy. After a trial period with hydroquinidine (HQ), BrS patients underwent EP study (EPS). Of 31 asymptomatic patients with BrS and inducible arrhythmia, 29 underwent an EP study with HQ. The rate of ventricular tachycardia (VT)/ventricular fibrillation (VF) noninducibility was 76% (22 of 29). Abbreviations as in Figure 1.
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