title: Negative flecainide test in Brugada syndrome patients with previous positive response.
abstract: Class I antiarrhythmic drug infusion has been established as the standard test to unmask Brugada syndrome. This report presents two patients with Brugada syndrome with positive flecainide response which was not reproducible in a subsequent test.
authors.affiliation: Laboratory of Clinical Cardiac Electrophysiology, Division of Cardiology, La Paz University Hospital, Paseo de la Castellana 261, 28046 Madrid, Spain.
authors.forename: Mauricio
authors.initials: M
authors.lastname: Abello
authors.forename: José L
authors.initials: JL
authors.lastname: Merino
authors.forename: Rafael
authors.initials: R
authors.lastname: Peinado
authors.forename: Mariana
authors.initials: M
authors.lastname: Gnoatto
mesh_terms: D000293:Adolescent; D000889:Anti-Arrhythmia Agents; D053840:Brugada Syndrome / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D005424:Flecainide; D006801:Humans; D008297:Male; D008875:Middle Aged; D015203:Reproducibility of Results
chemical_list: D000889:Anti-Arrhythmia Agents; D005424:Flecainide