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Stertor
Stertor caused by partial obstruction of the upper airways, at the level of the nasopharynx or oropharynx.
Specialty	Otorhinolaryngology

Stertor (from Latin stertere 'to snore') is a term first used in 1804 to describe a noisy breathing sound, such as snoring. It is caused by partial obstruction of the upper airways, at the level of the nasopharynx or oropharynx.

It is distinguished from stridor by its pitch. Stertor is low-pitched, and can occur when breathing in, out or both. Stertor and stridor can occur together, such as when adenotonsillar hypertrophy and laryngomalacia occur together.

References

1. ^ Innes, J. Alastair; Dover, Anna R.; Fairhurst, Karen; Macleod, John, eds. (2018). Macleod's Clinical Examination (14th ed.). Edinburgh London New York: Elsevier. p. 186. ISBN 978-0-7020-6993-2.
2. "Definition of STERTOR". www.merriam-webster.com. Retrieved 10 January 2021.
3. O Cathain E, Gaffey MM. Upper Airway Obstruction. In: StatPearls. StatPearls Publishing, Treasure Island (FL); 2020.
4. ^ Englar, Ryane E. (3 July 2019). "Stertor and Stridor". Common Clinical Presentations in Dogs and Cats. John Wiley & Sons, Ltd. pp. 449–461. doi:10.1002/9781119414612.ch34. ISBN 9781119414582. S2CID 240751218. Retrieved 9 January 2021.
5. ^ Ida, Jonathan; Thomson, Dana Mara (2014). "Paediatric stridor". In Bower, Charles M. (ed.). Common ENT Disorders in Children, An Issue of Otolaryngologic Clinics of North America, E-Book. Elsevier. p. 798. ISBN 978-0-323-32622-3.

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