The mnemonic
AC > BC
What each word stands for
- ACAir conduction
- >is louder than
- BCBone conduction, called Rinne positive
Why it matters clinically
Separates conductive loss (negative) from normal or sensorineural.
Where it stops being reliable
Does not replace the Weber test or audiometry.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.