What you will learn from this Building Automation Systems article: 1  the efficiency and conveniences Building Automation Systems add to a building.  how Building Automation enhances energy savings and troubleshooting problems.
In most cases, the symptoms of a middle ear infection (otitis media) develop quickly and resolve in a few days. This is known as acute otitis media. The main symptoms include: earache. a high temperature (fever) being sick. a lack of energy. slight hearing loss â if the middle ear becomes filled with fluid, hearing loss may be a sign of glue ear, also known as otitis media with effusion.
1 Otitis media is usually an infection and/or inflammation of the middle ear. 2  Ear infection or inflammation causes fluid buildup in the middle ear. 3  A cold or other respiratory infection can lead to ear infections or inflammation. Middle ear pus causes pain and temporary hearing loss. 2  Rupture of the eardrum allows the pus to drain into the ear canal. 3  Otitis media (ear infection or inflammation) is treated with observation, antibiotics, or ear tubes.