Home   Package List   Routine Alphabetical List   Global Alphabetical List   FileMan Files List   FileMan Sub-Files List   Package Component Lists   Package-Namespace Mapping  
Routine: DVBCWAUB

DVBCWAUB.m

Go to the documentation of this file.
  1. DVBCWAUB ;BPOIFO/RLC - AUDIO WKS TEXT - 1 ; 2/10/2010
  1. ;;2.7;AMIE;**150**;Apr 10, 1995;Build 13
  1. ;
  1. TXT ;
  1. ;; The Handbook of Standard Procedures and Best Practices for Audiology
  1. ;; Compensation and Pension Exams is available online. ( This is a PDF file.
  1. ;; You need Acrobat Reader to open pdf files. It is a free download. )
  1. ;;
  1. ;;Narrative: An examination of hearing impairment must be conducted by a
  1. ;;state-licensed audiologist and must include a controlled speech
  1. ;;discrimination test (specifically, the Maryland CNC recording) and a
  1. ;;pure tone audiometry test in a sound isolated booth that meets American
  1. ;;National Standards Institute standards (ANSI S3.1.1991) for ambient noise.
  1. ;;Measurements will be reported at the frequencies of 500, 1000, 2000, 3000,
  1. ;;and 4000 Hz. The examination will include the following tests: Pure tone
  1. ;;audiometry by air conduction at 250, 500, 1000, 2000, 3000, 4000, and
  1. ;;8000 Hz, and by bone conduction at 250, 500, 1000, 2000, 3000, and
  1. ;;4000 Hz, spondee thresholds, speech recognition using the recorded
  1. ;;Maryland CNC Test, tympanometry and acoustic reflex tests, and, when
  1. ;;necessary, Stenger tests. Bone conduction thresholds are measured
  1. ;;when the air conduction thresholds are poorer than 15 dB HL. A modified
  1. ;;Hughson-Westlake procedure will be used with appropriate masking. A
  1. ;;Stenger must be administered whenever pure tone air conduction
  1. ;;thresholds at 500, 1000, 2000, 3000, and 4000 Hz differ by 20 dB or more
  1. ;;between the two ears. Maximum speech recognition will be reported with
  1. ;;the 50 word VA approved recording of the Maryland CNC test. The starting
  1. ;;presentation level will be 40dB re SRT. If necessary, the starting level
  1. ;;will be adjusted upward to obtain a level at least 5 dB above the threshold
  1. ;;at 2000 Hz, if not above the patient's tolerance level. The examination
  1. ;;will be conducted without the use of hearing aids. Both ears must be
  1. ;;examined for hearing impairment even if hearing loss in only one ear is
  1. ;;at issue.
  1. ;;
  1. ;; When speech recognition is 92% or less, a performance intensity
  1. ;; function must be obtained.
  1. ;;
  1. ;;Procedures for Obtaining a Modified Performance-Intensity Function
  1. ;; 1. The starting level is 40 dB re: SRT (speech reception threshold).
  1. ;; The starting level will be adjusted upward to obtain a level at least
  1. ;; 5 dB above the threshold at 2000 Hz, if not above the patient's
  1. ;; tolerance level.
  1. ;; 2. Present 25 words at 6 dB above and 6 dB below the starting level.
  1. ;; 3. If recognition performance improves less than 6%, then maximum word
  1. ;; recognition performance has been obtained.
  1. ;; Example: starting level=50 dB HL. Initial performance=80%.
  1. ;; Decrease level to 44 dB HL. Performance decreases to 76%. Increase
  1. ;; level to 56 dB HL. Performance increases to 84%. Test level for
  1. ;; full list=50 dB HL.
  1. ;; 4. If performance improves by 6% or more at the first 6-dB increment,
  1. ;; then word recognition is measured using another 25 words at an
  1. ;; additional 6-dB increment.
  1. ;; Example: starting level=50 dB HL. Initial performance=80%.
  1. ;; Increase level to 56 dB HL. Performance improves to 88% (+8%).
  1. ;; Increase level to 62 dB HL. Performance decreases to 84% (-4%).
  1. ;; Test level for full list=56 dB HL.
  1. ;; 5. A full list (50 words) is then presented at the level of maximum
  1. ;; performance. The word recognition performance at this level is reported
  1. ;; as the speech recognition score. Only the best performance for a full
  1. ;; list (50 words) will be reported.
  1. ;;
  1. ;;A. Review of Medical Records: Indicate whether the C-file was reviewed.
  1. ;;
  1. ;;B. Medical History (Subjective Complaints):
  1. ;;
  1. ;; Comment on:
  1. ;;
  1. ;; 1. Chief complaint.
  1. ;; 2. Effects of the condition on occupational functioning and daily
  1. ;; activities.
  1. ;; 3. Pertinent service history.
  1. ;; 4. History of military, occupational, and recreational noise
  1. ;; exposure.
  1. ;; 5. Pertinent family and social history; history of ear disease,
  1. ;; head or ear trauma, etc.
  1. ;; 6. Tinnitus.
  1. ;;
  1. ;; a. Is there a claim for tinnitus (verify from examination
  1. ;; request, i.e., 2507)? (yes/no)
  1. ;; b. Is there a current complaint of tinnitus? (yes/no) If yes
  1. ;; answer the following questions whether or not the condition
  1. ;; is claimed.
  1. ;; c. Date and circumstances of onset.
  1. ;; d. Whether it is constant or recurrent (intermittent).
  1. ;; Current complaints only.
  1. ;; e. If there is a claim and no current complaint, the
  1. ;; audiologist must:
  1. ;;
  1. ;; State when veteran last experienced tinnitus.
  1. ;;
  1. ;; Describe the tinnitus experienced at that time.
  1. ;;
  1. ;; Describe intervening course between onset and last episode,
  1. ;; e.g., how frequently in a year does a veteran experience
  1. ;; tinnitus.
  1. ;;
  1. ;;C. Physical Examination (Objective Findings):
  1. ;;
  1. ;; 1. Measure and record puretone thresholds in decibels at the indicated
  1. ;; frequencies (air conduction):
  1. ;;
  1. ;; = = = = =RIGHT EAR= = = = = = = = = = = = = LEFT EAR = = = = = =
  1. ;; A* B C D E ** A* B C D E **
  1. ;; 500|1000|2000|3000|4000|average 500|1000|2000|3000|4000|average
  1. ;; | | | | | | | | | |
  1. ;;
  1. ;; * The puretone threshold at 500 Hz is not used in calculating the
  1. ;; puretone threshold average for evaluation purposes but is used in
  1. ;; determining whether or not, for VA purposes, a hearing impairment
  1. ;; reaches the level of a disability. Puretone thresholds should not
  1. ;; exceed 105 decibels or the tolerance level.
  1. ;; ** The average of B, C, D, and E.
  1. ;;
  1. ;; 2. Speech Recognition Score: Maryland CNC word list
  1. ;;
  1. ;; _____% right ear _____% left ear.
  1. ;;
  1. ;; When only puretone results should be used to evaluate hearing loss,
  1. ;; the examiner, who must be a state-licensed audiologist, should certify
  1. ;; that language difficulties or other problems (specify what the problems
  1. ;; are) make the combined use of puretone average and speech
  1. ;; discrimination inappropriate.
  1. ;;
  1. ;; Thresholds should not exceed 100 decibels or the tolerance level.
  1. ;;
  1. ;; Pausing: Examiners should pause when necessary during speech
  1. ;; recognition tests, in order to give the veteran sufficient time to
  1. ;; respond. This will ensure that the test results are based on actual
  1. ;; hearing loss rather than on the effects of other problems that might
  1. ;; slow a veteran's response. There are a variety of problems that might
  1. ;; require pausing, for example, the presence of cognitive impairment. It
  1. ;; is up to the examiner to determine when to use pausing and the length
  1. ;; of the pauses.
  1. ;;
  1. ;; Need for a modified performance-intensity function: The normal speech
  1. ;; recognition performance is 94% or better for a full (50 word) list. If
  1. ;; speech recognition is worse than 94% after presentation of a full list,
  1. ;; then a modified performance-intensity function must be obtained to
  1. ;; determine best performance (see Narrative for description of procedures).
  1. ;;
  1. ;;When describing speech recognition performance, use these terms:
  1. ;;
  1. ;; Percent Correct Description
  1. ;; 100-94% Excellent (Normal)
  1. ;; 92-80% Good
  1. ;; 78-70% Fair
  1. ;; Less than 70% Poor
  1. ;;
  1. ;;D. Diagnostic and Clinical Tests:
  1. ;;
  1. ;; 1. Report middle ear status, confirm type of loss and indicate need
  1. ;; for medical follow-up. In cases where there is poor inter-test
  1. ;; reliability and/or positive Stenger test results, obtain and report
  1. ;; estimates of hearing thresholds using a combination of behavioral
  1. ;; testing, Stenger interference levels, and electrophysiological
  1. ;; tests.
  1. ;; 2. Include results of all diagnostic and clinical tests conducted
  1. ;; in the examination report.
  1. ;;
  1. ;;E. Diagnosis:
  1. ;;
  1. ;; 1. Summary of audiologic test results. Indicate type and degree
  1. ;; of hearing loss for the frequency range from 500 to 4000 Hz.
  1. ;; For type of loss, indicate whether it is normal, conductive,
  1. ;; sensorineural, central, or mixed. For degree, indicate whether
  1. ;; it is mild (26-40 HL), moderate (41-54 HL), moderately severe
  1. ;; (55-69 HL), severe (70-89 HL), or profound (90+ HL).
  1. ;;
  1. ;; [For VA purposes, impaired hearing is considered to be a disability
  1. ;; when the auditory threshold in any of the frequencies 500, 1000, 2000,
  1. ;; 3000, and 4000 Hz is 40 dB HL or greater; or when the auditory thresholds
  1. ;; for at least three of these frequencies are 26 dB HL or greater; or when
  1. ;; speech recognition scores are less than 94%]
  1. ;;
  1. ;; 2. Note whether, based on audiologic results, medical follow-up
  1. ;; is needed for an ear or hearing problem, and whether there is
  1. ;; a problem that, if treated, might cause a change in hearing
  1. ;; threshold levels.
  1. ;;
  1. ;; 3. If there is a current complaint of tinnitus, indicate whether or not
  1. ;; tinnitus is as likely as not a symptom associated with hearing loss,
  1. ;; if hearing loss is present. If there is no hearing loss present;
  1. ;; or the audiologist determines that it is as likely as not that
  1. ;; tinnitus is associated with another medical condition; or the
  1. ;; etiology of tinnitus cannot be determined on the basis of available
  1. ;; information without resorting to speculation, so state. The VBA
  1. ;; regional office will then determine whether further non-audiological
  1. ;; examination is needed, based on their review of all evidence of
  1. ;; record.
  1. ;;
  1. ;;
  1. ;;
  1. ;;Signature: Date:
  1. ;;END