Question 1
Which of the following is NOT true about VOO pacemakers?
◦ They can cause fibrillation if the paced beat lands on the vulnerable period of the intrinsic beat's cardiac cycle.
◦ They are demand pacemakers.
◦ They are fixed-rate pacemakers.
◦ They fire at their preset rate regardless of intrinsic beats.
Question 2
DDD pacemakers
◦ pace only the atrium.
◦ pace the atrium and the ventricle in succession.
◦ pace only the ventricle.
◦ are used primarily to manage slow atrial fibrillation.
