1. Weakness and chest discomfort may occur within 48 hours after surgery, if the symptoms are significantly worse or last for a long time, please inform your primary care physician, who will deal with the symptoms according to the specific situation 2. 6-8 hours of postoperative braking, generally need to be hospitalized for 3-5 days for observation 3. 2 weeks after surgery fluid diet (such as: milk, lotus root powder, sesame paste, rice paste, rotten noodles, rice soup, etc.) 3. Anticoagulants, such as warfarin to prevent thromboembolism, must be taken in the first three months after surgery. At the same time, INR (an indicator to assess the amount of warfarin) should be monitored frequently to maintain it within the appropriate anticoagulation strength (INR 1.5-2.5). 4. Arrhythmias may still occur within three months after surgery, so you should continue to take antiarrhythmic drugs for about two or three months after surgery to counteract them, and if necessary, to carry out resuscitation therapy. 5. Your family should accompany you home after surgery, and you do not need to stay in bed for a long time, and you can do appropriate activities to help restore your body’s function (such as taking a short walk). Use shower and avoid bathing. You may still feel palpitations or even short bouts of atrial fibrillation for up to three months after surgery. If this happens, please contact your doctor. 8. Please contact your doctor if the following conditions occur: body temperature over 38.4 degrees Celsius, local redness or hematoma of the wound, symptoms of palpitations