1normal peak pressure
-150 to +50 daPa
2normal ear canal volume
adult: 0.6-1.5mL. child: 0.4-1mL.
3how to find ear canal volume
look for where the graph is at +200daPa
4how to find static compliance
(compliance at peak pressure) - (compliance at +200daPa)
5jerger type A
normal pressure peak, normal static compliance
6jerger type As
normal pressure peak, low static compliance
7jerger type Ad
normal pressure peak, high static compliance
9Jerger type C
normal static compliance, but very negative peak pressure
10where you expect to see the memr with snhl <50dB
normal; 70-100dB
11where you expect to see the memr with 50dB < snhl < 80dB
20-45dBSL
12where you expect to see the memr with > 80dB SNHL
absent
13where you expect to see the memr with an ABG < 35dB
elevated but measurable
14where you would expect to see the memr with an ABG > 40dB
absent
15reflex thresholds are absent when this part is an ear with an ABG:
probe
16the reflex is named for the ear that gets the
stimulus