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45 Matching questions

  1. Negative Peak Pressure
  2. High peak admittance
  3. Obviously atypical things to look for in the Otoscopic Inspection
  4. Type A
  5. In tympanometry, the microphone can measure...
  6. Major Tests of immittance
  7. Purpose of the Visual Otoscopic Inspection?
  8. Tympanometry may not be accurate with children younger than...
  9. when there is negative peak pressure, this means...
  10. Peak pressure
  11. Ear Canal Volume
  12. greatest admittance
  13. Immitance
  14. Peak pressure is shown by...
  15. Impedance:
  16. The Tympanic Membrane vibrates most easily when air pressure is...
  17. Of the following, what pattern of tympanometry results would you expect to be associated with a conductive hearing loss related to a tympanic membrane perforation?
    -Type Ad
    -Type A with abnormally large ear canal volume
    -Type B with normal ear canal volume (not possible)
    -Type B with abnormally large ear canal volume
  18. Low Peak admittance
  19. normal peak admittance
  20. Type C Tymp. reflects...
  21. A type B tymp with Normal physical volume often reflects...
  22. Describing ear canal abnormalities for results of the Otoscopic Inspection
  23. A type B tymp with a physical volume that is too small means...
  24. To interpret Type B tympanogram...
  25. A too small Ear canal volume usually means...
  26. Acoustic Reflex Thresholds
  27. Peak Admittance
  28. Type C Tympanogram
  29. If a Type B tymp. has Normal physical volume...
  30. Normal Ear Canal Volume
  31. A too large ear canal volume usually means...
  32. Admittance
  33. Tympanometry- 3 parts
  34. Normal Peak Pressure
  35. when is the visual otoscopic inspection performed?
  36. In a normal middle ear, the greatest admittance is at ____, and declines as the air pressure
  37. Type Ad
  38. Immittance Testing-Purposes
  39. A type B tymp with a physical volume that is too large means...
  40. **need to know Peak Admittance ranges
  41. Tympanometry determines the...
  42. Type As
  43. Normal tympanometry indicates normal...
  44. Type B tympanogram
  45. Describing tympanic membrane abnormalities for results of the Otoscopic Inspection
  1. a NOT to diagnose a disorder, but to assess the outer ear and TM and middle ear for something obviously atypical
    (can assist in interpreting other audiological evaluation results)
  2. b stiffened middle ear system.
    normal shape, peak pressure, LOW peak admittance: < .3 ml
    s: shallow.
  3. c Type B with abnormally large ear canal volume
  4. d TM is intact, there's no ear canal obstruction, but there's little to no mobility of the TM
  5. e eustachian tube dysfunction.
    -non-specific finding
    -may reflect oncoming of otitis media
  6. f 7 months
  7. g structural defect of the ear, head or neck
    ear canal abnormalities
    tympanic membrane abnormalities
  8. h opposition to flow of acoustic energy at the middle ear
  9. i 0 daPa.
    admittance (passing of acoustic energy) declines as the air pressure moves away from 0, either positively or negatively.
  10. j excessively middle ear system
    normal shape, peak pressure, HIGH peak admittance: >2.5 ml
    d: deep
  11. k acoustic energy passed by the tympanic membrane into the middle ear
  12. l greater than 2.0 ml.
    -reflects flaccidity of TM/ossicles, aka excessive compliance
  13. m where the tympanogram peak falls horizontally
  14. n before tympanometry
  15. o less than -150 daPa
  16. p admittance of sound into the middle ear at varying degrees of positive and negative pressure in the external auditory canal.
  17. q relative to the air pressure in the middle ear
  18. r point where there is most acoustic energy passed
  19. s admittance of sound at the peak of the tympanometry trace.
    in ml, cc or mmho

    shown by the hight of the tympanogram at its peak
  20. t there's an obstruction of the ear canal or improper probe placement
  21. u .6 to 2.5 ml
    -depends on age, gender, body size, etc
  22. v the tympanic membrane is not intact (so it picks up the volume of the middle ear too)
  23. w measure stapedial muscle reflex, which stiffens the middle ear system when elicited by high intensity sounds.
  24. x normal middle ear function
    normal shape, peak pressure and peak admittance
  25. y equal on both sides (normal resting position), at 0 daPa
  26. z flat. no peak (abnormal shape)
    very low admittance; so little or no mobility
  27. aa Blood or effusion (drainage)
    inflammation
    excessive cerumen or foreign object
  28. ab less than 0.3 ml
    -reflects stiffness of the middle ear system.
  29. ac otitis media with effusion
  30. ad either the probe tip was misplaced, or there is an ear canal obstruction
  31. ae +100 to -150 daPa
  32. af the TM is not intact
  33. ag indicates normal middle ear function, NOT normal hearing
  34. ah color: not normal if white or grey.
    Bulging or Retraction
    Fluid line or Bubbles
    Perforation
    Mass
  35. ai ...
  36. aj check ear canal volume
  37. ak 0.3 ml - 2.0 ml
  38. al peak admittance (sometimes static compliance)
    physical volume (aka ear canal volume)
    peak pressure
  39. am this term reflects what the test measures; combination of the words "impedance" and "admittance"
  40. an Tympanometry
    Acoustic Reflex Thresholds
  41. ao the probe tone is constantly on and the Microphone can measure how much sound is absorbed/admitted, and how much is reflected into the ear canal
  42. ap middle ear pressure is negative relative to outer ear pressure. Sign of Eustachian Tube Dysfunction
  43. aq provided on the screen or print out.
    The Physical Volume of the ear canal beyond the probe
  44. ar normal shape, normal peak admittance, excessively negative peak pressure.
    <-150 daPa
  45. as Detecting middle ear disorders (tympanometry and reflexes)

    Differentiating different types of middle-ear pathology (tymp. and reflexes)

    Differentiating cochlear from retrocochlear pathology (reflexes & reflex decay)

    Facial nerve (reflex) and eustachian tube function (tympanometry)