sibilant rhonchus

plural sibilant rhonchi

1. datedmedicinewheezing

   Sonorous rhonchi are produced in the larger bronchi, and are often spoken of as large rhonchi, while sibilant rhonchi, originating in the smaller air tubes, are also known as small rhonchi.

   1907, Henry Lawrence McKisack, A Dictionary of Medical Diagnosis

   2 more examples

   The sonorous rhonchus is heard in the larger tubes; but when the inflammation extends to the smaller tubes, a sibilant rhonchus is produced, which is caused by the same physical condition as the sonorous, but difi'ers from it on account of the smaller calibre of the tubes in which it occurs.

   1841, The New England Journal of Medicine, volume 23, page 7

   There is a copious eruption of small papular and partly vesicular spots upon the thorax; the heart's sounds are somewhat flat, without murmur; a sibilant rhonchus is heard over all parts of the chest.

   1864 January 16, Thomas B. Peacock, “Cases of unusual slowness of pulse, with remarks”, in The Medical Times and Gazette, volume 1, page 56