Breath sounds are an important part of respiratory assessment and are usually assessed by the respiratory team.
|Wheezing||Whistling sound, generally heard on expiration||Asthma and airway obstruction|
|Stridor||Snoring sound heard on inspiration||Typical of obstruction, sputum plug or foreign body, anaphylactic reaction|
|Crackles||A crackling or popping sound||Collapsed alveoli popping open on inspiration|
|Rhonchi||Snoring or rattling sounds||Fluid partly blocking the bronchi; generally heard on expiration|
|Pleural friction||A grating or rubbing sound heard on inspiration and expiration||Indicative of pleural inflammation|