You're the flight surgeon. Sinus barotrauma.
Koda
Erik K
EK
D000337:Aerospace Medicine; D001469:Barotrauma / Q000175:diagnosis* / Q000628:therapy*; D003937:Diagnosis, Differential; D006801:Humans; D008889:Military Personnel; D010256:Paranasal Sinuses / Q000293:injuries*