Asymptomatic Brugada Syndrome case unmasked during dimenhydrinate infusion

Asymptomatic Brugada Syndrome. Typical ECG of that described for Brugada sy ndrome was elicited in a patient diagnosed with labyrinthopathy during infu sion of dimenhydrinate, a first-generation antihistamine usually used to tr eat motion sickness. Although the patient had no history of syncope or palp itations, and there was no family history of cardiac disease or sudden deat h, the ECG abnormality was reproduced later with intravenous flecainide, an d an asymptomatic Brugada syndrome was diagnosed.