Flashcards in Auscultation Deck (8)
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