Many people will have such symptoms, when dizziness and nausea will lead to the patient’s heart is more difficult, the reasons for which are mainly considered the following: 1, seen in the posterior circulation parts of the ischemia, such as bilateral vertebral artery, basilar artery blood flow rate is slow, in addition to causing the patient to have dizziness, nausea symptoms, but also on the patient’s sympathetic nerve stimulation, easy to lead to panic, palpitations, heart difficult symptoms. Insufficient cerebral blood supply will also cause the above symptoms. The normal cerebral blood flow is 800-1000ml/min, when the patient’s cerebral blood supply is less than this level, the patient is in the stage of cerebral tissue ischemia and hypoxia, the patient will have dizziness, nausea and uncomfortable heart symptoms.