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Role Of Signal-Averaged Ecg In Predicting Results Of Flecainide Provocation Test Used In Family Screening For Brugada Syndrome, Ngai-Shing Mok, Chi-Chung Choy, Ngai-Yin Chan, Amy Ho
Role Of Signal-Averaged Ecg In Predicting Results Of Flecainide Provocation Test Used In Family Screening For Brugada Syndrome, Ngai-Shing Mok, Chi-Chung Choy, Ngai-Yin Chan, Amy Ho
Journal of the Hong Kong College of Cardiology
Brugada syndrome (BS) is an inherited arrhythmogenic disease with an autosomal dominant mode of inheritance. Flecainide provocation test (FPT) has been shown to be highly sensitive and specific in unmasking the Brugada ECG pattern in affected subjects. We sought to test if late potential (LP) in signal averaged electrocardiogram (SAECG) is helpful in predicting the results of FPT used in family screening for BS. The study included 17 asymptomatic Chinese subjects from 8 families (M:F 10:7, mean age 24.8±11.4 years) who have undergone family screening for BS. All screened subjects had a normal 12-lead ECG at baseline. None had structural …