Hiroshima University and Fukushima Medical University researchers have created software and an electronic stethoscope to classify lung sounds into five common diagnostic categories.
Currently, doctors listening to heart and lung sounds on a stethoscope need to overcome background noise and recognize multiple irregularities. The system will be able to “hear” what a doctor might miss, and automatically identify multiple lung problems.
Recorded lung sounds of 878 patients were classified by respiratory physicians. The diagnoses were turned into templates, to create a mathematical formula that evaluates the length, frequency, and intensity of lung sounds. Software analyzed sound patterns during patient exams enable respiratory diagnoses.
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