Huang Mei, Liu Hongying, Pi Xitian, Ao Yilu, Wang Zi
College of Biological Engineering Chongqing University, Chongqing, 400030.
Chongqing Engineering Research Center of Medical Electronics, Chongqing, 400030.
Zhongguo Yi Liao Qi Xie Za Zhi. 2017 May 30;41(3):161-165. doi: 10.3969/j.issn.1671-7104.2017.03.002.
Auscultation is an important method in early-diagnosis of cardiovascular disease and respiratory system disease. This paper presents a computer-aided diagnosis of new electronic auscultation system. It has developed an electronic stethoscope based on condenser microphone and the relevant intelligent analysis software. It has implemented many functions that combined with Bluetooth, OLED, SD card storage technologies, such as real-time heart and lung sounds auscultation in three modes, recording and playback, auscultation volume control, wireless transmission. The intelligent analysis software based on PC computer utilizes C# programming language and adopts SQL Server as the background database. It has realized play and waveform display of the auscultation sound. By calculating the heart rate, extracting the characteristic parameters of T1, T2, T12, T11, it can analyze whether the heart sound is normal, and then generate diagnosis report. Finally the auscultation sound and diagnosis report can be sent to mailbox of other doctors, which can carry out remote diagnosis. The whole system has features of fully function, high portability, good user experience, and it is beneficial to promote the use of electronic stethoscope in the hospital, at the same time, the system can also be applied to auscultate teaching and other occasions.
听诊是心血管疾病和呼吸系统疾病早期诊断的重要方法。本文介绍了一种新型电子听诊系统的计算机辅助诊断方法。它开发了一种基于电容式麦克风的电子听诊器及相关智能分析软件。它实现了许多结合蓝牙、OLED、SD卡存储技术的功能，如三种模式下的实时心肺音听诊、录音和回放、听诊音量控制、无线传输。基于PC计算机的智能分析软件采用C#编程语言，以SQL Server作为后台数据库。它实现了听诊声音的播放和波形显示。通过计算心率，提取T1、T2、T12、T11的特征参数，可以分析心音是否正常，进而生成诊断报告。最后，听诊声音和诊断报告可以发送到其他医生的邮箱，进行远程诊断。整个系统功能齐全、便携性高、用户体验好，有利于促进电子听诊器在医院的使用，同时，该系统也可应用于听诊教学等场合。
