Shinichiro Ohshimo, MD, PhD; Takuma Sadamori, MD, PhD; Koichi Tanigawa, MD, PhD
This article was published at www.annals.org on 16 February 2016.
Disclosures: Disclosures can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=L15-0350.
Ohshimo S, Sadamori T, Tanigawa K. Innovation in Analysis of Respiratory Sounds. Ann Intern Med. 2016;164:638-639. doi: 10.7326/L15-0350
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Published: Ann Intern Med. 2016;164(9):638-639.
Published at www.annals.org on 16 February 2016
Background: Despite advances in technology, evaluation of respiratory physiology still depends primarily on chest auscultation. However, this method is subjective and requires sufficient training. In addition, identification of the 5 respiratory sounds specified by the International Lung Sounds Association is difficult because their frequencies overlap: The frequency of normal respiratory sound is 100 to 1000 Hz, wheeze is 100 to 5000 Hz, rhonchus is 150 Hz, coarse crackle is 350 Hz, and fine crackle is 650 Hz (1, 2).
Objective: To develop a computer-assisted stethoscope to quickly and accurately identify respiratory sounds.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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