Fig. 3From: Cascade screening can be life-saving: a family with multiple cases of brugada syndrome and sudden cardiac deathProvocative challenge test with 400Â mg oral flecainide. V1 and V2 leads were placed higher, in the 2nd intercostal space and serial ECG at A baseline; B 15Â min; C 1Â h; D 2Â h (ST segments in V1 and V2 are changing); E 4Â h (type I Brugada ECG pattern can be seen); and F 5Â h after administration of flecainideBack to article page