Vdd - Abbott Merlin PSA EX3100 Help Manual

Figure 11. DOO Mode timing diagram

VDD

(Ventricular Pacing; Dual-Chamber Sensing and Inhibition; Atrial Tracking)
The VDD mode is a dual-chamber, atrial-tracking mode with no atrial output in which ventricular
pacing is synchronized to intrinsic atrial activity. The device senses in the atrium and ventricle(s)
but only paces in the ventricle(s).
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