Department of Cardiology Sun Yat-sen Memorial Hospital of Sun Yat-sen University Guangzhou ChinaGuandong Province Key Laboratory of Arrhythmia and Electrophysiology Guangzhou China;
Emergency Medicine Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China;
Breast Tumor Center Sun Yat-Sen Memorial Hospital Sun Yat-Sen University Guangzhou China;
Department of Cardiology Sun Yat-sen Memorial Hospital of Sun Yat-sen University Guangzhou ChinaGuandong Province Key Laboratory of Arrhythmia and Electrophysiology Guangzhou China;
Department of Cardiology Sun Yat-sen Memorial Hospital of Sun Yat-sen University Guangzhou ChinaGuandong Province Key Laboratory of Arrhythmia and Electrophysiology Guangzhou China;
Department of Cardiology Sun Yat-sen Memorial Hospital of Sun Yat-sen University Guangzhou ChinaGuandong Province Key Laboratory of Arrhythmia and Electrophysiology Guangzhou China;
Department of Cardiology Sun Yat-sen Memorial Hospital of Sun Yat-sen University Guangzhou ChinaGuandong Province Key Laboratory of Arrhythmia and Electrophysiology Guangzhou China;
Vasovagal syncope; head-up tilt test; simplistic tilt test; ambulatory blood pressure monitoring; blood pressure/heart rate ratio;