What does heartbeat analysis 13 mean?

The heartbeat is 13 times. Heartbeat analysis 13 is an analysis of fetal heartbeat frequency based on electrocardiogram. The heartbeat frequency is 13 times, and the heartbeat of normal people is 2 to 7 times. In this case, it is necessary to wake up immediately to prevent harm to the fetus. Heartbeat analysis is a proper term in medicine, and the automatic classification of heartbeat is of great significance to the clinical diagnosis of arrhythmia.