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.
The signs and symptoms of acute otitis media may range from very mild to severe: 1  The fluid in the middle ear may push on the eardrum, causing ear pain. 2  Lying down, chewing, and sucking also can cause painful pressure changes in the middle ear, so a child may eat less than normal or have trouble sleeping.