If orthopnea causes awakening during the night and is relieved by sitting, it is called paroxysmal nocturnal dyspnea.
如果端坐呼吸
间觉醒，经坐缓解，是为阵发性间呼吸困难。
If orthopnea causes awakening during the night and is relieved by sitting, it is called paroxysmal nocturnal dyspnea.
如果端坐呼吸间觉醒，经坐缓解，是为阵发性间呼吸困难。
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