scholarly journals Design and development of electronic stethoscope for auscultation

MEDISAINS ◽  
2021 ◽  
Vol 19 (2) ◽  
pp. 53
Author(s):  
Sahrul Munir ◽  
Endiyono Endiyono

Background: Currently, several companies offer Bluetooth-based electronic stethoscopes. However, the stethoscopes are pretty overpriced. In this case, we need a stethoscope innovation with a more affordable price that carries the same function and improves ear sensitivity during auscultation of heart and lung sounds.Technic: This stethoscope is equipped with a condenser mic that functions as a sound catcher on the stethoscope membrane. The analog data of the condenser mic is regulated by the potential of the pre-amp mic amplifier; then, analog data is forwarded using Bluetooth 5.0 A2DP BT600 USB Wireless Audio Transmitter and received by Bluetooth receiver using earphones.Conclusion: A electronic stethoscope has been successfully developed, which can function adequately to detect, increase heart, lung, bowel sounds, and prenatal sounds.

2018 ◽  
Vol 30 (02) ◽  
pp. 1850006
Author(s):  
Oinam Robita Chanu ◽  
V. Karthik Raj

Bowel sounds (BSs) are defined as the sounds when contractions of the lower intestines propel forward. It is simple, but empirical and too subjective. Auscultation is the traditional technique for determining gastrointestinal functioning. The most physicians and nurses carry out a cursory listen for BS resulting in misinterpretation. The aim and objective of this project are to design a low-cost prototype of an electronic stethoscope to acquire the BSs and analyzing its characteristics using LabVIEW software. The developed prototype is interfaced with the software, and the BSs are recorded from the epigastric region and the umbilical region. The characteristics of recorded BSs are analyzed in the LabVIEW software with the available tool like signal analysis and sound analysis. For this study, a total number of 17 subjects are included. Around 1[Formula: see text]min BS recordings are performed on 12 healthy subjects and 5 abnormal subjects. The result showed that the BSs are recorded from the designed prototype. The frequencies of detected BS vary for each person in different areas of the abdomen. Based on the frequency of detected BS for a particular subject, the classification of BS is made into hypoactive, hyperactive and absent (no sounds).


Author(s):  
B. Malik ◽  
N. Eya ◽  
H. Migdadi ◽  
M.J. Ngala ◽  
R.A. Abd-Alhameed ◽  
...  

Author(s):  
Pallavi Dharwada ◽  
Joel S. Greenstein ◽  
Anand K. Gramopadhye ◽  
Steve J. Davis

1993 ◽  
Vol 32 (01) ◽  
pp. 12-13 ◽  
Author(s):  
M. A. Musen

Abstract:Response to Heathfield HA, Wyatt J. Philosophies for the design and development of clinical decision-support systems. Meth Inform Med 1993; 32: 1-8.


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