AUSCULTATION AUDIO FILES

Listen for the one sound that can help diagnose ILD

Recognize signs and symptoms of ILD early so you can promptly make the referral to a pulmonology specialist

Dry inspiratory crackles at the lung bases can be a key indicator of ILD1,2

Sounds like VELCRO® brand fastener VELCRO® Brand Fastener

Features:

Typically heard at the lung bases Typically heard
at the lung
bases1,2
Inspiratory can be heard during middle-to-late inspiration Inspiratory, can
be heard during
middle-to-late
inspiration1
Short duration Short duration3
Does not clear with cough Does not clear
with cough1


Dry inspiratory crackles in pulmonary fibrosis

Breath sounds of COPD

Normal breath sounds

Note: recordings were made with a 3M Littmann Electronic Stethoscope 3200 in a clinical setting with patients at rest.

If you hear dry inspiratory crackles at the lung bases, evaluate further for ILD and consider consulting a lung specialist

References:
1. Kraman SS. Arch Intern Med. 1986;146(7):1411-1412. 2. Raghu G et al; on behalf of the ATS/ERS/JRS/ALAT Committee on Idiopathic Pulmonary Fibrosis. Am J Respir Crit Care Med. 2018;198(5):e44-e68. 3. Sgalla G et al. BMC Pulm Med. 2018;18(1):103.