Jiangsu Province Hospital of TCM Department of Functional Examination Nanjing 210029 China;
Jiangsu Province Hospital of TCM Department of Functional Examination Nanjing 210029 China;
Jiangsu Province Hospital of TCM Department of Cardiology Nanjing 210029 China;
Electrocardiogram; Idiopathic pulmonary hypertension; Prognosis;