Skip to main content
Log in

Electrically amplified precordial stethoscope

  • Technical Notes
  • Published:
Journal of Clinical Monitoring Aims and scope Submit manuscript

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

References

  1. Klepper ID, Webb RK, Van der Walt JH, et al. The Australian incident monitoring study. The stethoscope: Applications and limitations—an analysis of 2,000 incident reports. Anaesth Intens Care 1993;21:575–578

    CAS  Google Scholar 

  2. Dunteman E, Hirshberg GE. A simple alternative precordial stethoscope. Anesthesiology 1993;78:1188–1189

    Article  PubMed  CAS  Google Scholar 

  3. Sainsbury DA. Monitoring heart and breath sounds by telemetry. Anaesth Intens Care 1985;13:415–416

    CAS  Google Scholar 

  4. Hunt RC, Bryan DM, Brinkley VS, et al. Inability to assess breath sounds during air medical transport by helicopter. JAMA 1991;265:1982–1984

    Article  PubMed  CAS  Google Scholar 

  5. Legast J. Stethoscope electronique. Electronique Pratique 1985;87:81–84

    Google Scholar 

  6. Low-voltage audio power amplifier LM386. In: Linear databook. Santa Clara, CA: National Semiconductor Corp, 1988:1.30–1.34

  7. Beyar R, Levkovitz S, Braun S, Palti Y. Heart-sound processing by average and variance calculation—physiologic basic and clinical implications. IEEE Trans Biomed Eng 1984;31:591–596

    Article  PubMed  CAS  Google Scholar 

  8. Gavriely N, Palti Y, Alroy G. Spectral characteristics of normal breath sounds. J Appl Physiol 1981;50:307–314

    PubMed  CAS  Google Scholar 

  9. Mizutani AR, Ozaki G, Benumof JL. A low-cost, high-fidelity FM wireless precordial radiostethoscope for continuous monitoring of heart and breath sounds. J Clin Monit 1990;6:61–64

    Article  PubMed  CAS  Google Scholar 

  10. Moretti EA, Monti RA, Zeig NJ. A cordless infrared headphone system for monitoring heart and breath sounds. Anesth Analg 1990;71:305–314

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

The stethoscope was assembled with the technical assistance of V. Bühler; the circuit diagram was drawn by I. Odermatt.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Biro, P. Electrically amplified precordial stethoscope. J Clin Monitor Comput 10, 410–412 (1994). https://doi.org/10.1007/BF01618424

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01618424

Keywords

Navigation