A pacing control is used in a multiple-chamber cardiac pacing system, which, upon detecting an atrial arrhythmia, automatically switches to a special therapy mode and administers a selected anti-tachycardia pacing (ATP) therapy in the atrium, and which switches to a standard pacing mode following delivery...http://www.google.de/patents/US7689279?utm_source=gb-gplus-sharePatent US7689279 - Pacing device for minimizing ventricular pauses after delivery of atrial anti-tachycardia pacing therapy