Answer:
Palpate a peripheral pulse.
Step-by-step explanation:
Working on a telemetry unit where you constantly monitoring heart activity. The cardiac monitor reveals the heart's electrical activity. In some adverse cases or in an emergency you also need to monitor the mechanical activity of the patient's heart. To measure mechanical activity, you palpate a peripheral pulse.
For example, slowing of the pulse rate (bradycardia) may be seen in the heart block.