New devices for diagnosis of atrial fibrillation: is necessary to treat with oral anticoagulation all patients?

The technical possibility to diagnosis of Atrial Fibrillation is progressive ameliorate, and the number of asymptomatic patients affected by Atrial Fibrillation is increasing. For long time the ECG performed in patient with palpitation or stroke was the unique possibility to obtain a diagnosis of atrial fibrillation. For this reason a secondary Stroke was frequently in previously asymptomatic patients. A lot of patients that we consider “Asymptomatic patients” were been recognized only by cardiac Holler. exam unfrequently were present short episodes of atrial fibrillation. increased to 84%.