Presentation
Unilateral vs bilateral?
pulsatile vs non-pulsatile?
Unilateral → Need imaging
Bilateral
Pulsatile
(Vascular)
Cerebrovascular disease
‣
Systemic condition:
‣
,
‣
,
‣
Non-pulsatile
(Neuro)
SNHL
affecting 1 side: tumor, Ménière
SNHL
affecting both sides: Presbycusis, noise-induced hearing loss
Etiology
Vascular → See
Pulsatile Tinnitus
Neurological → non-pulsatile
Can associate all types of
SNHL