Deafness is a common hearing disease. There are many kinds of deafness, including [occupational noise deafness] [knock deafness], etc. However, there is a kind of deafness that is quite strange. Patients will suddenly become deaf without warning one day. In medicine, this kind of deafness is called [sudden deafness], also called [sudden deafness]. If a person’s hearing drops rapidly in a short period of time or within 3 days, which is manifested by a hearing drop of ≥ 30 decibels at three connected frequencies (such as 500 Hz, 1000 Hz and 2000 Hz on pure tone audiometry), and is usually caused by monaural onset, then he is likely to suffer from sudden deafness. If you don’t know what kind of Read More …