Results of the DANPACE II randomized trial refute the theory that slower pacing can reduce the risk of atrial fibrillation in patients with sinus node dysfunction.
Sick sinus syndrome is group of rhythm disturbances of the heart (arrhythmias) related to sino-atrial node dysfunction, more commonly seen among the elderly.
It s actually two leadless pacemakers, one atrial and the other ventricular, linked as if in a wireless network, that together maintained true AV synchronous pacing in a short-term study.