突とっ発ぱつ性せい難なん聴ちょう

noun

sudden deafness; sudden sensorineural hearing loss (SSHL)

Medical term for a rapid, unexplained hearing loss, typically in one ear. Often abbreviated as SD or SSHL in clinical contexts.

• 突とっ発ぱつ性せい難なん聴ちょうは早そう期き治ち療りょうが重じゅう要ようです。

  Early treatment is important for sudden deafness.

• 彼かれは突とっ発ぱつ性せい難なん聴ちょうと診しん断だんされた。

  He was diagnosed with sudden sensorineural hearing loss.