The cardiac monitor is recommended to assess the baby’s heart rate when there is an irregular heartbeat.
The heartbeat is usually measured by a stethoscope. The average or recommended heart beat for infant is 100-160 beats per minute (bpm) .
This helps to monitor the electrical activity of the heart and also helps to
detect heart rhythm to detect if it is abnormal(arrhythmia). This device acts as a cardiac monitor so as to ensure the condition is properly managed to prevent death.
thus, a stethoscope is usually measured by the heartbeat.
Read more about Heart rate here:
brainly.com/question/19102503
#SPJ1