If orthopnea causes awakening during the night and is relieved by sitting, it is called paroxysmal nocturnal dyspnea.
如果
吸引起夜间觉醒，经起缓解，是为阵发性夜间吸困难。
If orthopnea causes awakening during the night and is relieved by sitting, it is called paroxysmal nocturnal dyspnea.
如果吸引起夜间觉醒，经起缓解，是为阵发性夜间吸困难。
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