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Build a DIY Heart Sound Analyzer Using Your Laptop

Build a DIY Heart Sound Analyzer Using Your Laptop

By D. John Doyle    View In Digital Edition  

Listening to the heart (cardiac auscultation) is a frequent first step in diagnosing heart disorders. Here, we describe a very inexpensive system for digital cardiac auscultation (digital phonocardiography) using a Windows laptop computer, freely downloadable software, and a low-priced USB microphone.


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