n.呼吸困难
The patient has dyspnea, tachycardia, and cyanosis.
病人呼吸困难, 心动过数及发绀.
There may be dyspnea after exertion.
运动后会呼吸困难.
The usual symptoms are dyspnea, and sometimes paroxysmal nocturnal dyspnea.
其常见症状是呼吸困难, 有时呈阵发性夜间呼吸困难.
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