Question

Which of the following describes​ undersensing?

A.
The pacemaker fails to sense intrinsic beats and paces on top of them.
B.
The pacemaker fails to generate an impulse.
C.
The pacemaker incorrectly interprets something as a depolarization and is inhibited from firing.
D.
The pacemaker fires but does not cause depolarization in the chamber being paced.

Answer 1

A. The pacemaker fails to sense intrinsic beats and paces on top of them