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Dr. Cameron
Dr. Cameron, Doctor
Category: Medical
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Experience:  American Board Certified in Emergency Medicine and Ivy League trained. Medical Review Officer trained in Drug Testing
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Why does lung consolidation cause bronchial breath sounds

Resolved Question:

Why does lung consolidation cause bronchial breath sounds?
Submitted: 8 years ago.
Category: Medical
Expert:  Dr. Cameron replied 8 years ago.
Bronchial breath sounds are loud, high pitched noises that sound close to the stethescope. Breath sounds are produced in the trachea and major bronchi. If you listen over the trachea- that is a bronchial breath sound. If you listen over the chest wall, you are listening to vesicular breath sounds because you are listening to the breath sounds transmitted from the trachea and bronchi through to the alveoli and then to the chest wall. The air in the alveoli changes the quality of the noise.

The bronchial breath sounds can be heard when the surrounding lung tissue is no longer full of air (like when the alveoli are filled with blood or pus). Liquids and solids are better transmitters of sounds than air and the bronchi sounds produced in the trachea are transmitted better and heard as is.

Best wishes

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