Crackles - Fine (Rales) | Auscultation #30 | Lesson with Audio

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was seated during auscultation.


Fine crackles are characteristically heard as sounding like the popping of a wood fire or velcro being pulled apart. Early inspiratory and expiratory crackles frequently accompany chronic bronchitis, while late inspiratory crackles can indicate more serious medical conditions such as pneumonia, congestive heart failure (CHF), or atelectasis.


Authors and Sources

Authors and Reviewers


? v:3 | onAr:0 | onPs:2 | tLb:0 | pv:1
uStat: False | db:0 | cc: | tar: False
| cDbLookup # 0

An error has occurred. This application may no longer respond until reloaded. Reload 🗙