Basics of Lung Sounds

Bronchial Sounds

Bronchial breath sounds are hollow, tubular sounds that are higher pitched compared to vesicular sounds. They can be auscultated over the trachea where they are considered normal.

There is a distinct pause in the sound between inspiration and expiration. I:E ratio is 1:3 .

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pause

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 Seated

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

Lessons

1	Vesicular - Normal
2	Crackles - Fine (Rales)
3	Crackles - Coarse (Rales)
4	Wheeze
5	Rhonchi - Low Pitched Wheezes
6	Bronchial
7	Pleural Rubs
8	Bronchovesicular

Practice Drill

Listening Tips
A synopsis of important sound features and timing for this abnormality.
Hollow, tubular sounds that are higher pitched. Considered abnormal if heard over the peripheral lung fields. Distinct pause in the sound between inspiration and expiration. Inspiration to expiration ratio of 1:2 or 1:3.

CaseID	76
CourseID	201
CourseCaseOrder	6
ID	62