Chen Taibo: ICD manufacturers are different, but the quality of products in the market are no problem, currently there is no domestic, only imported, mainly from the United States and Germany. When arrhythmia occurs, timely discharge to restore the heart rhythm. The guarantee time of domestic ICD used to be 5 years, but now it is 4 years, but there is no significant change in the product, generally speaking, ICD can be used for 6~8 years after implantation. Patient: Male 39 years old, healthy, history of fainting several times, most recently conscious, found brugada wave on ECG after resuscitation in hospital, family member’s ECG also has this wave, positive upright tilt test, how can we determine if it is brugada syndrome, and treatment plan. TAPPER CHEN: If there is a definite BRUGADA wave on the ECG, combined with a history of fainting and similar abnormalities on the ECG of family members, the diagnosis of BRUGADA syndrome is clear and the only effective treatment option is ICD implantation to prevent life-threatening events. Those whose family members have definite BRUGADA waves can also be diagnosed at this time.