Main clinical manifestations were exertionaldyspnea, chest pain, cough, hemoptysis, syncope, etc.
临床主要表现有活动性呼吸困难、胸痛、咳嗽、咯血、晕厥等。
2
Objective: Our aim was to prove that exertionaldyspnea is not a limitation for patients with chronic obstructive pulmonary disease (COPD) to exercise.
目的:探讨主观用力呼吸困难不宜作为限制慢性阻塞性肺疾病(COPD)患者运动的标准。
3
These acute improvements in exertionaldyspnea are multifactorial and could not be explained by alterations in ventilatory demand or pulmonary gas exchange.