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Crackles - Early Inspiratory (Rales) 147 | Auscultation #147 | Lesson with Audio

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was sitting during auscultation.

Description

Here , 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.

Waveform

Authors and Sources

Authors and Reviewers

Sources




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