Sudden deafness is a sudden onset of sensorineural deafness of unknown cause, also known as sudden deafness.The main clinical manifestations are unilateral hearing loss, which may be accompanied by tinnitus, ear blockage, dizziness, nausea, and vomiting.Its onset is rapid and its progress is rapid, and the treatment effect is directly related to the time of treatment. It should be regarded as an emergency ear department.
In the cold winter, people with ear diseases are often at a high risk of deafness. This is because when the weather changes from warm to cold, the blood supply of the ear capillaries in the human body is directly affected by the environment and shrinks. The labyrinth artery in the ear is the only blood vessel. The supply source, once convulsions appear, sudden deafness occurs.In addition, people without ear disease may also suffer from deafness due to cold and cold, coupled with high work pressure, overwork, and emotional excitement.
The degree of deafness varies from severity to severity. In mild cases, ear obstruction and tinnitus are easily overlooked. Moderate and severe deafness are more common, accompanied by severe dizziness. This type of deafness is clinically sensorineural.There is also a kind of deafness that develops quickly. Tinnitus can appear intermittently a few hours before the onset, and it runs through the whole process of deafness. Except for the auditory nerve, there are no other cranial nerve symptoms and signs.
Excessive fatigue, psychological stress, mental stimulation, upper respiratory tract infection, etc. may all be triggers for sudden deafness.It is understood that the incidence of young people has been on the rise in recent years, the incidence of mental workers is higher, and many adolescents and children also have tinnitus.
Therefore, experts suggest that countermeasures such as relieving fatigue, relaxing emotions, and exercising appropriately will have a certain effect on the prevention of sudden deafness.