Heart and Lung Sounds Reference Guide

Bronchial Auscultation Reference

Patient Normal Speed

play
pause

Patient Half Speed

play
pause

Lesson

For heart sounds listen to the synthetic sound while reviewing this lesson.

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 .

The waveform(s) seen above are a chart of sound amplitude (loudness) on the vertical axis against time on the horizontal axis.

Listening Tips

A summary of the key aspects of this heart or lung sound.
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.

Auscultation Method

The recommended patient position is seated

For this sound, use stethoscope's diaphragm The recommended auscultation position for the stethoscope is anterior-1r

Relevant Courses

If you wish to review a complete mobile concerning Bronchial Auscultation Reference and related heart sounds, the modules(s) listed below may be useful. Each lesson includes text that explains the auscultatory sound and its clinical significance. The lesson also includes an audio track for playback. A waveform provides a great way to visualize the sounds. Finally, we also include an animation video. For heart sounds, the video illustrates heart muscle and valve movements along with blood flow. For lung sounds, the primary source of the sounds can be seen. Each module also includes a quiz.

Basics of Lung Sounds

201

Bronchial Auscultation Reference