Audiology: audiogram interpretation
Terms in this set (12)
y- dB HL
what makes up the x and y axis of an audiogram?
what symbol represents the right ear
what symbol represents the left ear
[ right ear
] left ear
symbol for masking bone conduction
triangle for right ear
square for left ear
symbol for masking air conduction
1. type of HL
2. degree of HL
3. shape of HL
what are the three things we evaluate on an audiogram?
normal audiograms show BC and AC at or below _________ dB HL
-AC outside of normal range (above 25 dB HL)
-BC in normal range
-Air Bone gap present
list characteristics of CHL on audiogram
-both AC and BC thresholds will be outside normal range (greater than 25 dB HL)
-no air-bone gap
list characteristics of SN HL on audiogram
-both AC and BC outside normal range (above 25 dB HL)
-air bone gap present
list characteristics of mixed HL on audiogram
if AC and BC are the same, what kind of HL is it?
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