The nurse is caring for a client who has been experiencing dizziness and shortness of breath for several days. During cardiac monitoring in the emergency department (ED), the nurse obtains the following electrocardiographictracing.
Which of the following cardiac rhythms should the nurse identify?

Question

The nurse is caring for a client who has been experiencing dizziness and shortness of breath for several days. During cardiac monitoring in the emergency department (ED), the nurse obtains the following electrocardiographictracing. 
Which of the following cardiac rhythms should the nurse identify?

Quizplus · Accepted Answer

The inconsistency between the atrial and ventricular rates and the variable P-R interval indicate that the rhythm is third-degree AV block. Sinus rhythm with PACs or PVCs will have a normal rate and consistent P-R intervals with occasional PACs or PVCs. A junctional escape rhythm will not have P waves.

The Nurse Is Caring for a Client Who Has Been