Is 39 heartbeats serious?

Heart beat 39 times / min is with a certain degree of danger, the normal human heart rate of 60 ~ 100 times / min.
Normal people in a quiet, awake state heart rate is generally 60 ~ 100 times / min, heart rate & lt; 60 times / min is called bradycardia, when the patient has a heart rate of 39 times / min need to give high priority, with a certain degree of danger, should be further examination for treatment.
Causes of bradycardia include arrhythmia, heart disease such as cardiomyopathy, myocardial infarction, other diseases such as cervical spine trauma, hypothyroidism, increased intracranial pressure and other diseases can also lead to bradycardia, taking certain drugs such as bisoprolol, metoprolol succinate, diltiazem and so on can lead to bradycardia.
The phenomenon of bradycardia should be timely consultation, under the guidance of the doctor for treatment, pay attention to rest, avoid strenuous exercise.