A nervous breakdown can potentially lead to a fast heart rate. Neurasthenia is often due to excessive mental tension or stress, resulting in easy mental excitement, easy brain fatigue, often leading to concentration, easy emotional, sometimes may cause the heart rate to accelerate, resulting in panic, palpitations and other symptoms. Most of the fast heart rate due to neurasthenia is not very serious, after the neurasthenia is regulated, the heartbeat will gradually return to normal, usually need to be instructed by the doctor to take nutritive nerve medication, such as methylcobalamin, vitamin B1, etc., which can promote the recovery of the nerves. But if the fast heart rate recurrence is likely to be caused by other reasons, should be timely to the hospital, with the doctor to take the examination, a clear diagnosis after treatment.