Bronchophony - Healthy

Unlock lessons, quizzes and more.

Sign Up
Ask the patient to say "99" several times while auscultating the chest walls. Over healthy lung areas, "99" is not understandable. This is because sound is impeded in normal lungs.

Compare this voiced breath sound to the recording in the "Bronchophony - Abnormal" lesson.

Bronchophony - Healthy
The recommended auscultation position for the stethoscope is the Chest wall position. For this sound, use stethoscope's Diaphragm.


maneuver
The recommended patient position is Sitting

Waveform

waveform
This waveform plots sound amplitude on the vertical axis against time on the horizontal axis.
Skin and Ribs


Blended View


Lungs


Move slider to reveal lungs
torso
lungs view
Lessons
left button        right button



Listening Tips
A synopsis of important sound features and timing for this abnormality.
Ask patient to say "99" several times. Auscultate chest walls. Over healthy lung areas "99" is not understandable. Compare this sound to the Bronchophony - Abnormal recording..
CaseID139
CourseID202
CourseCaseOrder2
ID188