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.

Listen

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was sitting during auscultation.

Visualize










This website provides professional medical education. For medical care contact your doctor. 2026 ©MedEdu LLC. All Rights Reserved. Terms & Conditions | About Us | Privacy | Email Us | 1 | n 1

  • mededu company logo
  • facebook like
  • twitter like
  • linkedin like
  • email share
An error has occurred. If you are using Safari 26.0, there is a bug in the Apple code, so upgrade to 26.1 or try an older version or another browser such as Chrome or Edge. Reload




🗙