Electronic Stethoscopes

Electronic stethoscopes are the latest in auscultation technology.  They work by converting acoustic sound waves into an electronic signal, which can then be amplified to the doctors ears.  Great for use in noisy environments, where background noise would make it hard to hear patients body sounds.  With some models, the sound data can be recorded, played back, and saved for later use.  This can be especially useful for dissemination by other doctors, or for diagnosis via computer generated algorithms.  One great feature of electronic stethoscopes is the ability to output a visual representation of the body sounds much like a phonocardiogram.  Some stethoscopes include wireless bluetooth technology, background noise reduction, and smartphone app integration, among other features.

The major manufacturers of electronic stethoscopes are:

An older Littmann 4000 model

Littmann

  • Electronic Stethoscope Model 3100
  • Electronic Stethoscope Model 3200

Thinklabs

  • ds32a Digital Electronic Stethoscope

Cardionics

  • E-Scope Electronic Stethoscope (in either a clinical or hearing-impaired model with full-sized headphones)
  • E-Scope EMS Electronic Stethoscope (with aviation style headphones for use in high noise environments)

Welch Allyn

  • Elite Electronic Stethoscope
  • Elite Distributor (includes multiple headphone outputs for group listening)

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