Bronchophony - Abnormal
Bronchophony - Abnormal
Ask the patient to say "99" several times while auscultating the chest walls. Over consolidated areas "99" is understandable. This is because acoustic filtering is reduced in consolidated lung tissue, which allows better sound transmission. Compare this breath sound to the recording in the "Bronchophony - Healthy" lesson.Patient Recording
Patient Recording - Half Speed Playback
Position
The patient's position should be sitting.
Listening Tips
Features:Ask patient to say "99" several times. Auscultate chest walls. Over consolidated areas "99" is understandable. For example, pneumonia in the upper lobes, both posterior and anterior. Compare to the Bronchophony - Healthy recordingWaveform (Phonocardiogram)
Authors
These authors contributed the audio recordings and text found in this reference guide: Jon Keroes, MD,Diane Wrigley, PA, and David Lieberman.Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.
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