Your patient has his own P waves but no QRS complexes. His DDD pacemaker should
A) provide him with QRS complexes at a preset rate, ignoring intrinsic P waves.
B) sense the intrinsic P waves and deliver QRS complexes to follow those P waves within a preset rate range.
C) ignore the intrinsic P waves, providing him with paced P waves and QRS complexes.
D) be inhibited and wait until there are no P waves or QRS complexes.
B
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