Stethoscope acoustics and cervical auscultation of swallowing

Stethoscope acoustics and cervical auscultation of swallowing

Frequency response characteristics of six popular stethoscopes are reported for the higher frequency range (to 3000 Hz) to supplement equivalent measurements for the lower frequencies (35-1000 Hz) published previously. Spectra of the sounds of swallowing from the throat, transduced with an accelerom...

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Veröffentlicht in:Dysphagia 1994, Vol.9 (1), p.63-68
Hauptverfasser: Hamlet, S, Penney, D G, Formolo, J
Format: Artikel
Sprache:eng
Schlagworte:
Acceleration
Acoustics - instrumentation
Adult
Aged
Auscultation - instrumentation
Deglutition - physiology
Dentistry
Equipment Design
Evaluation Studies as Topic
Female
Humans
Male
Middle Aged
Pharynx - physiology
Signal Processing, Computer-Assisted
Sound
Transducers
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Zusammenfassung:Frequency response characteristics of six popular stethoscopes are reported for the higher frequency range (to 3000 Hz) to supplement equivalent measurements for the lower frequencies (35-1000 Hz) published previously. Spectra of the sounds of swallowing from the throat, transduced with an accelerometer, demonstrate important frequency composition in this higher range. Two stethoscope models were found to have superior transmission characteristics for use in cervical auscultation of swallowing sounds.
ISSN:0179-051X
1432-0460
DOI:10.1007/bf00262761