Systems, methods and devices relating to atrial defibrillation and, more specifically, modes of operation for automatically and/or remotely causing the delivery of one or more atrial defibrillation pulses are disclosed. Embodiments provide for wireless communication between an implanted atrial defibrillator, external communication devices and/or servers to detect atrial fibrillation states, communicate with patients and/or initiate the delivery of atrial defibrillation pulses.
