If you already know what you want to do in the Coast Guard, ask your recruiter about the guaranteed 'A' school program. With guaranteed 'A' school, you can go directly from basic training to your rating's training program. However, not all ratings participate in this program. Coast Guard training provides members with the highest level of readiness because lives and mission success depend on how we perform our duties.
Serous otitis media is a specific type of otitis media with effusion caused by transudate formation as a result of a rapid decrease in middle ear pressure relative to the atmospheric pressure. The fluid in this case is watery and clear.
A purist's definition of mastoiditis includes all inflammatory processes of the mastoid air cells of the temporal bone. As the mastoid is contiguous to and an extension of the middle ear cleft, virtually every child or adult with acute otitis media (AOM) or chronic middle ear inflammatory disease has mastoiditis.ther areas of the temporal bone pneumatize similarly, including the petrous apex and the zygomatic root. The antrum, as with the mastoid air cells, is lined with respiratory epithelium that swells when infection is present.