clinician · clinical case

Sound-induced dizziness and autophony

Vignette

A 38-year-old singer reports dizziness with loud sounds and hearing her own footsteps and heartbeat in the right ear. Audiogram shows a low-frequency conductive loss on the right with intact stapedial reflexes. Right oVEMP amplitude is 28 µV; right cVEMP threshold is 65 dB nHL.

RCT pattern

Gain · eye / chair00.601.200.010.020.040.080.160.320.64frequency (Hz, log)Phase lead · degrees-2030800.010.020.040.080.160.320.64frequency (Hz, log)Symmetry · %-500500.010.020.040.080.160.320.64frequency (Hz, log)
Three-panel SHA summary. Shaded green = published normal band. Solid marker = patient/archetype curve; dashed = overlaid reference if shown.

Question

What is the typical RCT pattern in isolated SCD?