The nurse would explain to a client who has a demand pacemaker in place that this pacemaker functions by
A) demanding the heart to contract at a preset rate.
B) firing after the SA node has started the cycle.
C) firing if the heart's electrical activity drops below a preset rate.
D) stimulating the SA node to fire.

Question

Quizplus · Accepted Answer

There are two basic types of pacemakers. A fixed-rate pacemaker fires constantly at a preset rate without regard to the electrical activity of the client's heart. A demand pacemaker fires when the SA node has not fired at a preset rate.

The Nurse Would Explain to a Client Who Has a Demand