Nervousness and rapid heartbeat should first shift attention to control emotions, if necessary, can be given short-term sedative drug therapy, or oral slowing the heart rate of drug therapy. People in excessive tension will appear sympathetic nerve over-excitement, the human blood will appear more adrenaline for a short time, adrenaline excitement heart will appear heart rate acceleration. Treatment should pay attention to shift attention, or change the environment, avoid excessive tension, try to stabilize emotions, most of the symptoms of rapid heart rate can be relieved on their own. If the symptoms are more obvious, you can take appropriate oral sedative medication, such as alprazolam. You can also take oral medication to slow down the heart rate, such as metoprolol or diltiazem, the specific treatment drugs should be applied under the guidance of a doctor.