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Breath Sound
Pitch: Loud
Bronchial
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Breath Sound
Intensity: Loud, predominantly on expiration
Bronchial
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Breath sounds
A sound like air blown through a hollow tube, heard over suprasternal area and lower trachea mainstem bronchus.
Bronchial
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Breath sound
Pitch: Moderate
Bronchovesicular
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Breath sounds
Intensity: Moderate
Bronchovesiclar
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Breath Sounds
A blowing sound heard over airways on either side of sternum, at angle of Louis, and between scapulae.
Bronchovesicular
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Breath Sounds
High on inspiration, low on expiration
Vesicular
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Breath sounds
Intensity: lound on inspiration, soft to absent on expiration
Vesicular
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Breath Sounds
Quiet, rustling sounds, heard over periphery
Vesicular
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Where to Auscultate Crackles
Over lung field and airways: heard commonly in bases of lower lung lobes
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Cause of Crackles (Rales)
Air passing through fluid or mucus in any air passage.
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Adventitious sound:
Light crackling, bubbling, high-pitched
Crackles or Rales
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Where to Auscultate Gurgles or Rhonchi
Over larger airways
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Adventitious sounds:
Coarse rattling, gurgling, harsh, moaning or snoring quality. May be cleared by cough
Gurgles or Thonchi
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Adventitious sound caused by Airways narrowed by bronchospasm or secretions.
Gurgles or Rhonchi
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