Companies view of time
Timing by Manufacturer
| Manufacturer | Timing System |
|---|---|
| Abbott | Ventricular based =>VDD & DDI,when PV>MTR in DDD. Atrial based => DOO, DDD or when PV < MTR. |
| Biotronik | Atrial based timing for DDD; DDI and VDI are ventricular based timing, however there are exceptions: i.e PAC, PVC, VSP. |
| Boston Scientific | |
| Medtronic | Atrial based timing for all devices that have atrial pacing: DDD, DDI, DVI. |
| MicroPort |
PV, P synchronous V pacing; MTR, Max Tracking Rate; VSP, V safety pacing