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Pronunciation: rong'kus, -ki

Definition: An added sound with a musical pitch occurring during inspiration or expiration, heard on auscultation of the chest and caused by air passing through bronchi that are narrowed by inflammation, spasm of smooth muscle, or presence of mucus in the lumen; if low-pitched, it is called sonorous rhonchus; if high-pitched, with a whistling or squeaky quality, sibilant rhonchus

[L. fr. G. rhenchos, a snoring]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.