Early symptoms of pulmonary hypertension are less obvious and often manifest as: 1. shortness of breath during physical activity or general daily work 2. feeling tired all the time 3. dizziness, especially when climbing stairs or standing up, or even fainting Gu Qing, Department of Cardiovascular Medicine, Fu Wai Hospital, Beijing Because these early symptoms are not specific, they are often mistaken for fatigue or slight physical discomfort and go unnoticed. As pulmonary hypertension progresses, the symptoms become more pronounced. Shortness of breath and fatigue may occur even with simple movements such as dressing and walking. In addition, there may be chest pain, hemoptysis, and syncope, especially during physical exercise. As the disease progresses and right heart failure develops, edema (especially in the feet) and fluid accumulation in the chest and abdominal cavity may also occur.