Figure 1

Electrocardiogram (25 mm/s, 10 mm/mv) of BrS1 (A), BrS2 (B) and BrS3 (C). Type 1 BrS signs are visible in leads V1–V2 (A,B) or V1IC3–V2IC3 (C) (leads positioned the 3rd intercostal space cranial from V1 and V2).
Electrocardiogram (25 mm/s, 10 mm/mv) of BrS1 (A), BrS2 (B) and BrS3 (C). Type 1 BrS signs are visible in leads V1–V2 (A,B) or V1IC3–V2IC3 (C) (leads positioned the 3rd intercostal space cranial from V1 and V2).