Lung Sounds

All lung sounds appear courtesy of the R.A.L.E Repository. To find out more about these lung sounds, how they were recorded or information about lung sounds in general, please visit there.

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Normal Vesicular Sounds

Recorded over the left anterior upper lobe of a 15 year old male adolescent.

Bronchial Breath Sounds

Recorded over the right anterior upper lobe of a 12 year old boy.

Wheezing

Recorded over the right anterior upper chest of an 8 year old boy with asthma.

Crackles

Recorded over the right posterior lower chest of a 9 year old boy with pneumonia.

Tracheal

Recorded over the trachea of a healthy 26 year old man.
(Note: this is a stereo file with simultaneous recording over trachea and posterior right lower lung)

Crackles and Bronchial Breathing

Recorded posteriorly over the consolidated left lower lung of a 16 year old boy with tuberculosis.
(Note: this is a stereo file with simultaneous recording over both left and right lung)

Inspiratory Squawk and Crackles

Recorded over the right posterior upper chest of a 78 year old woman with interstitial pulmonary fibrosis.
(Note: this is a stereo file with simultaneous recording over both right and left lung)

Fine Crackles ("Velcro rales")

Recorded over the right posterior lower lung of a 55 year old woman with rheumatoid lung disease.

Stridor

Recorded over the trachea of a 15 month old girl with croup.

Grunting

Recorded at the mouth of a premature baby girl with respiratory distress 7 hours after birth.

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