Toynbee revisited: eustachian tubal sonograph.

  • Heather L Wilson
  • Published 1982 in
    Otolaryngology--head and neck surgery : official…
The ETS represents a modern version of the Toynbee tube. The ETS replaces the tube with sophisticated electronic equipment that amplifies and records the sounds of air entering the middle ear. The results of the test correlate well with the clinical behavior of the eustachian tube. The ETS does this by permitting the auditory tube to function in its normal… CONTINUE READING