objective hearing tests Flashcards
(16 cards)
tympanogram with normal hearing
A
tympanogram with conductive loss
Ad, As, B, or C
tympanogram with sensory loss
A
tympanogram with neural loss
type A
static compliance (ml) with normal hearing
0.2 - 1.6
static compliance (ml) with conductive loss
<0.2 or >0.6
static compliance (ml) with sensory loss or neural loss
0.2 - 1.6 (normal)
ART with normal hearing
present at 85 to 100 db SL
ART with conductive loss or neural loss
absent or >100 db SL
ART with sensory loss
present at < 65 db SL
ABR with normal hearing
normal wave V and interpeak latencies
ABR with conductive loss
all latencies are prolonged
ABR with sensory loss
slightly increased wave V and interpeak latencies
ABR with neural loss
very increased wave V and interpeak latencies
OAE with normal hearing or neural loss
present
OAE with conductive or sensory loss
absent
