Patients underwent pacemaker implantation, were randomized to DDDR with the algorithm on (treatment) or off (control), and were followed for 6 months. Results. Baseline characteristics and ...

Pacing in the ICD was programmed to DDDR 60-130 with AVSH set to an interval of 32 and an AV increase of 50% for all patients, regardless of any underlying indication for pacing (or lack thereof).