The nurse on the telemetry unit receives prescriptions for three clients based on the results of their electrocardiogram (ECG) and updates the clients' plans of care. For which client will the nurse update the care plan to include the prescription for a permanent pacemaker?

6-second ECG shows 5 QRS complexes at a normal rhythm followed by a "skipped beat" before resuming normal rhythm

6-second ECG shows 7 QRS complexes with a wavelike pattern between each complex and no identifiable P wave

6-second ECG shows 12 QRS complexes preceded by a P wave and followed by a T wave on a 6-second strip

6-second ECG shows 4 QRS complexes preceded by a P wave and followed by a T wave on a 6-second strip