捻发音(crepitus),是极细微而均匀的破裂音,似用手指在耳朵边捻转一束头发时所发出的声音,是一种湿啰音。其特征为音调高,大小一致,深吸气末闻及,咳嗽后不消失。捻发音常提示肺实质的病变,如肺泡炎症,见于大叶性肺炎的充血期与消散期及肺结核等;肺充血和肺水肿的初期;肺膨胀不全,但肺泡尚未完全阻塞时。此外,也见于毛细支气管炎,也可见于正常人。治疗宜查找引起捻发音的原发疾病,针对病因进行治疗。
n. crepitation ; crepitus
misc. vesicular rale ; crepitant rale
触诊内外踝和第五跖骨基底部,如有骨擦捻发音或压痛,则提示骨折可能。
Palpate the lateral and medial malleoli and the base of the fifth metatarsal; crepitus ortenderness suggests a fracture.
结果发现,IPF主要表现为剧烈干咳、进行性气短、紫绀、杵状指趾和肺部捻发音。
The results showed that the main manifestations of IPF were severe dry cough, progressive short breath, cyanosis, clubbed fingers and crepitant rales in lungs.
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