Inspiratory wheezing

…Even if wheezing is not heard during quiet breathing at rest, wheezing may occur when trying to exhale as quickly as possible (forced expiration), and is useful for diagnosing as a method of emphasizing bronchial spasm or narrowing. Wheezing heard only when inhaling can also be caused by various diseases that narrow the upper airways, such as the larynx and trachea. A typical example is inspiratory wheezing seen in children when the trachea is compressed by thymic hypertrophy. [Shoji Kudo] …

*Some of the terminology explanations that mention "inspiratory wheezing" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…安静時の静かな呼吸で喘鳴がみられなくても，できるだけ速く息を吐き出すように(強制呼出)すると喘鳴を生じることがあり，気管支攣縮や狭小を知るひとつの強調法として，診断に役立つ。吸息のみに聞かれる喘鳴は喉頭や気管など上部の気道が狭小となる種々の病変によっても生じ，小児の胸腺肥大による気管圧迫の際にみられる吸息性喘鳴は典型的な例である。【工藤 翔二】。…

※「吸息性喘鳴」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報