由肺水肿和肺静脉压升高引起的呼吸困难在卧位时加剧，在坐位，立位（端坐呼吸）时减轻。

Dyspnea due to elevated pulmonary venous pressure and pulmonary edema is increased in the recumbent position and decreased by sitting or standing (orthopnea).

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我们报告一个罕见病例，26岁初产妇于怀孕34周并发恶性林巴瘤以严重呼吸困难及端坐呼吸为表现。

We report a rare case of a 26-year-old primigravida at 34 weeks' gestation complicated with malignant lymphoma presenting as severe dyspnea and orthopnea.

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半年后，因为严重的端坐呼吸，又到医院求诊，当时怀疑患有心脏衰竭，但临床证据并不支持此项诊断。

Severe orthopnea was complained half a year later, and congestive heart failure was suspected, but clinical data did not support this diagnosis.

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半年后，因为严重的端坐呼吸，又到医院求诊，当时怀疑患有心脏衰竭，但临床证据并不支持此项诊断。

Severe orthopnea was complained half a year later, and congestive heart failure was suspected, but clinical data did not support this diagnosis.

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