Arrhythmia Detection in Atrioventricular, Single-Lead, Floating Atrial Dipole ICD Systems Compared with Conventional Single- and Dual-Chamber Defibrillators.

Although the Dx-AF study demonstrated no significant difference in the efficacy of atrial fibrillation/flutter detection between the two groups (evaluating detection by the device, ECG, or ECG monitoring), the results revealed a borderline significant difference in the efficacy of device-detected atrial arrhythmias favoring VDD devices [ 23 ].

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