1.尿毒症性肺 尿毒症性肺是尿毒症中的一种独特形式的肺充血和水肿。这些病者不一定有全身体液容量过多,但却有特征性心腔内压和肺动脉楔压升高。其发生机理可能与尿毒症毒素致肺的毛细血管通透性升高有关。X线的特征是:肺门部血管充血,周围肺野正常,形成以肺门为中心的独特阴影,称为“尿毒症性蝙蝠翼”。病人常咳嗽、气短,但痰不多,无脓痰和血性痰,无特异性症状,故常凭X线 1. Uremic pulmonary uremia Lung is a unique form of pulmonary congestion and edema in uremia. These patients do not necessarily have excess body fluid volume, but there are characteristic intracardiac pressure and pulmonary wedge pressure increased. The mechanism may be related to the uremic toxins induced pulmonary capillary permeability increased. X-ray features are: hyperemia of the hilar vessels, normal surrounding lung fields to form a unique hilar center shadow, known as “uremic bat wings.” Patients often cough, shortness of breath, but few sputum, no purulent sputum and bloody sputum, no specific symptoms, so often by X-ray