Symptoms of PAH, which has no known cause, include shortness of breath following exercise, excessive fatigue, weakness, dizziness and fainting. The symptoms tend to grow worse over time.
Symptoms of PAH, which has no known cause, include shortness of breath following exercise, excessive fatigue, weakness, dizziness and fainting. The symptoms tend to grow worse over time.
发病因素尚未知，其主要症状包括：在运动后的呼吸急促，过度疲劳，虚弱，头晕和晕厥。这些症状随时间流逝而有加剧。