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胸腔积液是较为常见的临床病症之一,占综合性医院住院患者的0.2—0.5%,尽管应用各种检查,仍有大约20%病例的病因未能确定。本文扼要介绍胸腔积液的鉴别及临床意义。一、胸水发生机制和再吸收在正常情况下,每当一呼吸周期,胸腔内的压力和胸膜间隙的变动很大。一般在胸腔内仅有少量液体,无蛋白的液体经常从壁层胸膜进入胸腔,而从脏层胸膜消失。胸腔内24小时液体转换量很大,
Pleural effusion is one of the more common clinical conditions, accounting for 0.2-0.5% of hospitalized patients in general hospitals. Despite the various tests, the etiology of approximately 20% of cases remains uncertain. This article briefly describes the differential diagnosis of pleural effusion and clinical significance. First, the mechanism and reabsorption of hydrothorax Under normal circumstances, whenever a respiratory cycle, intrathoracic pressure and pleural space vary widely. Generally only a small amount of liquid in the chest, protein-free fluid often from the parietal pleura into the chest, and disappeared from the visceral pleura. Thorax 24 hours a lot of liquid conversion,