Abstract
This paper describes the design of a portable, cheap and easy to handle microcontroller-based heart monitoring system using a Atmega32 model-based microcontroller and GLCD. The project is capable of detecting and distinguishing the normal heart signal from an abnormal one. A circuit was designed to convert the sound signals from the heart into electrical signals. The signal so obtained was then processed and conditioned to get a Phonocardiogram (PCG). The design considerations of this project are influenced by its target users. Its major application lies with medical practitioners in remote areas and army units in warzones where technical help is usually difficult. This project will facilitate a PCG read in such areas resulting in preventive timely measures being taken. This paper also gives solution to display the graphs and results on a GLCD which would further enhance the portability of this system.
Highlights
Cardiovascular diseases are among those seriously threatening human health
Heart sound analysis provides important information of these diseases, which is significant for diagnosing different kinds of cardiovascular diseases
Heart sound analysis has been a basic requirement for every doctor and medical student
Summary
Heart sound analysis provides important information of these diseases, which is significant for diagnosing different kinds of cardiovascular diseases. An examiner uses a stethoscope to listen for these sounds, which provide important information about the condition of the heart. Unlike many other life threatening diseases this does not usually provide prior warning. Many such problems occur suddenly, especially at the time of physical exercise. The problem causes temporary discomfort and disappears for some time until it comes back with vengeance. For such cases and more, it is always useful to wear a portable monitoring device that keeps track of the heart rhythm of the patient.
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