View source for Sinus barotrauma

==Background==
[[File:Sinuses.JPG|thumb|The four facial sinuses]]
*Also known as "sinus squeeze"
*Occurs during scuba diving or air flight due to changes in pressure within a non-draining sinus.

{{Barotrauma types}}
{{Diving Physiology}}

==Clinical Features==
*Pain over affected sinus, possible [[epistaxis|bleeding]] from nares
*Ascent can cause expulsion of blood and mucous into nares and mask.
*Front sinus most commonly affected, followed by maxillary sinus
**Infraorbital branch of fifth cranial nerve runs along base of maxillary sinus, and can have neuropraxia involving lip and cheek. 
**Teeth pain can occur. 
**Ethmoid sinus can dissect air through lamina papyracea and cause periorbital emphysema.

==Differential Diagnosis==
{{Scuba diving DDX}}

{{Barotrauma types}}

==Evaluation==
*Usually clinical

==Management==
*Decongestants (pseudoephedrine, oxymetazoline) 
*Consider antibiotics

==Disposition==
*Generally discharge

==See Also==
*[[Barotrauma]]

==External Links==


==References==
<references/>

[[Category:Environmental]]
[[Category:ENT]]