Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Three ECGs (leads V1-V2) of a patient with idiopathic ventricular fibrillation. The top and middle traces were graded as "definite Brugada sign". The bottom trace (recorded three years after diagnosis) was graded as "questionable Brugada sign". The middle and bottom traces were recorded during treatment with quinidine.
