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Complexities in Acute Care Part 2 > Auscultation > Flashcards

Flashcards in Auscultation Deck (8)
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Decreased air entry (decreased breath sounds) can be caused by..

How does this compare to decreased transmission of sound?

Atelectasis, pneumothorax and emphysema etc.

Whereas decreased transmission of sound can be caused by pleural effusion, pleural thickening, pneumothorax


What does it mean if late crackles can be heard?

Caused by re-opening of closed down peripheral airways and alveoli, e.g. atelectasis/fibrosis


Crackles are caused by..

Snapping open of previously closed airways during inspiration


Wheezes are always due to

Airway narrowing (can be caused by sputum, bronchoconstriction, foreign bodies etc)


Bronchial breath sounds are normal to be heard over the trachea and can be described as

loud and harsh


Bronchial breath sounds heard elsewhere can suggest

Underlying pathology where the lung has increased in density, such as consolidation


Pleural rub is a

creaking sound on late inspiration and early expiration, resembles sounds of boots crunching on fresh snow


Pleural rub sounds can be caused by

inflammation of pleural layers which then rub on each other, usually accompanied by pleuritic pain (sharp and stabbing feeling in a part of the chest, usually made worse when you breathe in or cough)