absent breath sounds


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Related to absent breath sounds: bronchial breath sounds

absent breath sounds

The lack of perceptible sounds of airflow during auscultation of the patient's chest.

Etiology

Absent breath sounds can be caused by a lack of breathing (apnea) or by lung disorders that block the transmission of the sounds to the surface of the chest, e.g., pneumothorax, pleural effusion.

See also: sound