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吸入石棉所致的微小间质性肺纤维化难以发现。有人发现肺捻发音、罗音是肺石棉沉着病的一早期、突出征象。作者研究了捻发音在早期发现石棉肺的价值。一位经培训的技术员对386名接触石棉工人进行肺听诊检查捻发音的存在其及程度。受试者坐位、张口呼吸,呼吸略深于一般潮式呼吸。在肩胛中线左和右肺底,右锁骨中线和左腋前线肺底进行肺听诊,每个听诊部位的捻发音量分为0(无)～3级(多),然后计算捻发音积分(WCS);左、右背部肺底的捻发音记分加倍,并加上前肺底部捻发音记分,WCS
Inhalation of asbestos caused by interstitial pulmonary fibrosis is difficult to find. Some people found that the lungs twist pronunciation, rales is an early stage of asbestosis, highlight the signs. The authors studied the value of twisting in the early detection of asbestosis in the lungs. The presence and extent of twisting auscultation of 386 exposed asbestos workers by a trained technician. Subject sitting, mouth breathing, breathing slightly deeper than the general tidal breathing. Pulmonary auscultation was performed at the mid-left and right lung bases of the scapulae, the midline of the right clavicle, and the bottom of the left anterior axillary line. The volume of twisting at each auscultation site was divided into 0 (no) ~ 3 (multiple) ); Left and right back of the lung bottom of the double pronunciations of hair sound score plus, and the bottom of the former pulmonary twist pronunciation points, WCS