Cerebral arteriovenous malformation patients have done gamma knife eight months uncomfortable heart may be due to psychological factors, cerebral edema, according to the cause of the disease to take relaxation of the mind, dehydration treatment and so on. 1. Psychological factors: after the operation, patients may be overly worried about the condition, nervousness, anxiety and other emotions, leading to discomfort in the patient’s heart. In this case, patients can communicate more with others, adjust their mindset and keep their body and mind happy. If necessary, you can go to the hospital and get treatment under the doctor’s guidance. 2. Cerebral edema: Cerebral edema is a common postoperative sequela. Cerebral edema will cause patients’ intracranial pressure to rise, which will easily lead to dizziness, headache, nausea and vomiting, etc. Due to these symptoms, some patients may feel uncomfortable. To deal with this situation, patients can follow the doctor’s instructions for dehydration and hypotension treatment. If the condition is serious, surgery can be chosen under doctor’s advice. It is recommended that patients seek timely medical advice and follow the doctor’s instructions for treatment.