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E-Scope Hearing Impaired Model for use Behind The Ear (BTE), with Belt Clip.

Includes Specialist Adult Diaphragm and Specialist Adult Bell. Should be used with either Direct Audio Input cable, Silhouette cable, or large headphones.

Note of Importance to BTE users. Not all hearing aids will allow the low frequencies of heart and breath sounds to be heard. Heart sounds frequencies range from 20-650Hz and lung sounds from 70-2000Hz. The first and second heart sounds have a frequency of approximately 70-120Hz. Murmurs range from approximately 150-400Hz. Your hearing aid MUST be able to not only hear frequencies in the 100Hz area, but be able to reproduce them. You should discuss this with your audiologist prior to purchasing hearing aid. Cardionics maintains a list of hearing aids that have low frequency characteristics. Drop us an email and we will be happy to send it to you.

If you wear a BTE (behind-the-ear) type hearing aid, there are three methods that can be used with the E-Scope to allow you to hear heart and breath sounds, Korotkoff and bowel sounds.

Method #1. Use E-Scope Electronic Stethoscope cat. no. 718-7712, with a Direct Audio Input cable (DAI). For a single ear, use catalog no. 711-7123, or for two BTE hearing aids, use catalog no. 711-7125. You will need an audio boot or shoe that you can obtain from your audiologist or hearing aid manufacturer.

Method #2. Use E-Scope Electronic Stethoscope cat. no. 718-7712 with a silhouette cord (sometimes called an induction coil). The Silhouette is generally more powerful than a direct audio input. For the Silhouette, use cat. no. 711-7133 for one BTE or cat. no. 711-7135 for bilateral BTE hearing aids. Turn the BTE hearing aid to the “Telecoil” position when using the silhouette with the E-Scope.

Method #3. A third method is the use of an ear mold with a large vent. This method bypasses the hearing aid entirely and uses the E-Scope Electronic Stethoscope for amplification. Most hearing aids do not have low enough frequency characteristics to faithfully reproduce heart sounds. Most hearing loss is in higher frequencies so the ear mold works well in many cases. To use this method, order E-Scope, cat. no. 718-7710 as shown below. Open the vent on the ear mold and use the external headphone to hear heart and breath sounds. Order the ear molds from Westone, telephone: 800- 525-5071.

IMPORTANT NOTE: Hearing deficiencies vary considerably from person to person. Your audiologist is the best source of information on your particular hearing problem. You should consult with your audiologist if you have any specific questions about the use of your hearing aid with the E-Scope Electronic Stethoscope or any similar device.