Assessing Lung Sound
To auscultate lung sounds, move the diaphragm of your stethoscope according to the numbers on the corresponding diagram.
There are three normal breath sounds :
- (B) Bronchial Breath Sounds - loud, harsh, hight pitched
Heard over trachea, bronchi (betwen clavicles and midsternum), and over main bronchus. - (BV) Bronchovesicular Breath Sounds - blowing sounds, moderate intensity and pitch.
Heard over large airways, on either side of sternum, at the Angle of Louis, and betwen scapulae. - (V) Vesicular Breath Sounds - soft breezy quality, low pitched.
Heard over the peripheral lung area, heard at best of base lungs.
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