Trainee

A 30-year-old with fullness after a flight

A 30-year-old reports persistent ear fullness and mild muffled hearing after a recent flight with a head cold. Otoscopy shows a slightly retracted but mobile drum.

Investigations

Audiogram

0204060801001202505001k2k4k8kFrequency (Hz)Hearing level (dB HL)[[[[[[ air conduction[ bone conduction

Tympanogram

-400-300-200-10001002000.00.51.01.52.02.53.0Ear-canal pressure (daPa)Admittance (mmho)

Peak present but markedly negative, normal amplitude, reflexes present.

What is the most likely interpretation?