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Wednesday, October 27, 2010

Assessing Lung Sound

Assessing Lung Sound


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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