early stage
Children are characterized by listlessness, loss of appetite, tinnitus and ear discomfort. (Children can't express), but the discomfort in the ears will affect the baby's play and sleep. During this period, doctors can find that the eardrum (medically called tympanic membrane) is invaginated and there is effusion in the middle ear.
progressive stage
It is characterized by high fever with a body temperature of 39℃ ~ 40℃. The child is crying uneasily, hearing loss, earache, accompanied by digestive tract symptoms such as nausea, vomiting and diarrhea. These manifestations are similar to colds or enteritis and are easy to be ignored or misdiagnosed. After examination, congestion of eardrum, swelling and protrusion of auditory bone can be found.
Peak period
The child has a high fever and refuses to eat. In severe cases, pale face, fluctuating tinnitus, hearing loss and earache radiate around. The examination showed that the eardrum was prominent and the middle ear was empyema.
later stage
Generally, 4-5 days after illness, the child's body temperature drops, the earache disappears, and he can go to sleep, but the eardrum ruptures, pus flows out of the ear canal, tinnitus and hearing loss still exist.
What are the contents of traffic safety driving training and how should drivers learn? The following is the training content about traffic safety driving