Back

Crackles - Early Inspiratory (Rales)

Lung Sounds Lesson

maneuver
Sitting
torso and chestpiece
Diaphragm



Early inspiratory crackles (rales), as suggested by the title, begin and end during the early part of inspiration. The pitch is lower than late inspiratory crackles. A patient's cough may decrease or clear these lung sounds. Early inspiratory crackles suggest decreased FEV1 capacity and are characteristic of COPD.
Practical Clinical Skills Logo Content is for medical professionals.
All information is for education only.
Copyright Medical Training and Simulation LLC, 2016