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A Validated Automated Solution

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Patient-Directed Evaluation Tool

Grason-Stadler is excited to introduce GSI AMTAS™, or Automated Method for Testing Auditory Sensitivity. This is a patient-directed evaluation tool that uses patented test methods and accuracy algorithms to perform diagnostic or screening audiometry. With over 10 years of research and development, the validity of AMTAS has been proven through comprehensive studies. AMTAS was created as a resource for clinicians to help manage their busy schedules and promote an efficient office environment. Most importantly, AMTAS frees the clinician, allowing them to spend more time focused on patient care.

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Key Features

  • Self-directed and self-paced
  • Pure Tone: Air and Bone with masking
  • Speech: SRT and WRS with masking
  • Configurable based on testing needs
  • Two versions: AMTAS Pro™ and AMTAS Flex™
  • Nine data quality indicators with AMTAS Pro
  • Six data quality indicators with AMTAS Flex
  • Report options: Diagnostic and Counseling
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A tool that 
saves time

AMTAS is an accurate and reliable hearing test. This software is a time-saving tool for the clinician to use for routine evaluations, annual testing, screening and walk-ins.

 
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AMTAS frees up more time for

  • AMTAS Walk-Ins

    Walk-Ins

    In a practice that continues to get busier, AMTAS allows clinicians to have one patient working through their audiogram while attending to walk-ins and other patients that otherwise may have long waiting times.

  • AMTAS Cleans

    Cleans and Checks

    When a patient returns for an annual evaluation, the clinician can get them started on AMTAS while a clean and check of hearing aids is completed.

  • AMTAS Counseling

    Counseling

    One patient can work on AMTAS while the clinician can meet with another patient to counsel them on their test results, adjust their hearing aids, or answer any other questions that they may have.

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Comfortable Testing

The test is self-paced so patients may proceed at a rate that is comfortable for them. Feedback is provided to the patient that helps them distinguish between test tones and other auditory sensations.

Quality Indicators

The quality indicators provide information about the patient's behavior during testing. Using the quality indicators gives the clinician insight on how to proceed with counseling and further testing.

  • 1.  Predicted Accuracy

    How accurate is the test? Good, fair, poor. If poor, a re-assessment may be necessary.

  • 2.  Predicted Average Absolute Difference

    Difference between automated and manual thresholds.

  • 3.  Masker Alerts*

    Thresholds where masking may have been too high or too low.

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    AMTAS Flex Report

  • AMTAS REPORT

    AMTAS Pro Report

  • 4.  Time per Trial

    The average time it took the patient to respond to the stimulus.

  • 5.  False Alarm Rate

    The number of times the patient responded "yes" when no stimulus was presented, divided by the total number of times no stimulus was presented.

  • 6.  Average Test-Retest Difference

    Average difference between 1 KHz test and retest in right and left ear.

  • 7.  Quality Check Fail Rate

    Number of times patient did not respond to stimulus above threshold, divided by number of measured thresholds.

  • 8.  Number of Air/Bone Gap > 35 dB*

    The number of air/bone gaps that exceed 35 dB.

  • 9.  Number of Air/Bone Gap < -10 dB*

    The number of air/bone gaps that are less than -10 dB.

*Additional indicators only on AMTAS Pro

Reporting

Users have two separate reporting options: a data-centric view that may be interpreted by the examiner (pictured above) and a text-centric report that the patient can bring home. The Audiologist Report captures the quality indicators, classification, and audiometric data for a detailed look at the test results while the Patient report has a comprehensive and easy-to-understand interpretation of the audiometric findings.

Audiogram Classification

After the data is gathered, AMTAS has a patented method of classification of audiometric findings, called AMCLASS, that will help summarize the audiogram based on configuration, site of lesion, and severity. This will give further insight to the clinician on how to proceed with counseling and further testing if needed.

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Two Versions Available

AMTAS Pro and AMTAS Flex give you two different automated audiometry options that can match your needs.

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AMTAS Pro­

AMTAS Pro operates with a GSI AudioStar Pro™ or GSI Pello™ that is connected to a touch screen computer. This version offers diagnostic and screening testing for air and bone conduction with masking and speech SRT, WRS with masking. This test is self-paced and typically takes 15-20 minutes to complete and requires limited supervision. AMTAS Pro provides nine quality indicators and two reporting options.

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AMTAS Flex

AMTAS Flex is a stand-alone test that uses a tablet with no audiometer required. Flex offers screening and diagnostic air conduction audiometry. The screening test typically takes 1-2 minutes to complete. Diagnostic testing obtains pure tone thresholds in about 10-15 minutes. The diagnostic test provides up to six quality indicators and two reporting options.

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Next Steps   


Learn more by checking out our materials below
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